a. The measurement done by Bill is more precise than Tom. Because all the measurements done by Bill are measured up to mm and which are very close to each other, but for Tom's measurement value measured up to cm.
b. The measurement done by Tom is more accurate than Bill's measurement. Because the actual scale of meter scale is close to 1.001m, which is off by 1mm, but Bill's meter stick is 1.05m, which have errors in centimeters.
What is meter scale?Length is one of the fundamental units in system of measurement. The SI unit of the length is meter. The meter scale is apparatus for measurement of the length of any object. Example: The length of square is 5 meters. Here, 5 is magnitude of the length and meter is the unit of length. 1 meter of meter scale is divided into 100 centimeters. Meter scale is used to measure the Length.
Note: The meter scale reading does not change with the temperature and other physical quantities. The scale used for measurement should not be affected by the physical environment, it should be available easily. Thus, to make any device for measurement of physical quantity above criteria should be kept in mind.
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Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition from =6 to =1.
When an electron in a hydrogen atom transitions from the state of n=6 to n=1, a photon with an energy of 13.2 eV is released.
What components make up a photon?A photon is a microscopic particle that is part of electromagnetic radiation waves. Maxwell demonstrated that photons are merely electric fields flowing through space.A single photon can trigger a response from sensors in the retina.What is the difference between an electron and a photon?Photons and electrons. One of the fundamental quantum-mechanical particles is an electron, although photons also exist and have entirely distinct properties. While the electron is a subatomic particle found in every atom, the photon is a sort of elementary particle that serves as an energy carrier.learn more about photon here
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You would like to know whether silicon will float in mercury and you know that can determine this based on their densities. unfortunately, you have the density of mercury in units of:_________
The density of mercury in units 2.33 x 10³ kg / m³.
What is density of mercury?At room temperature, mercury, a very heavy, dense silver-white metal, is a liquid. (To learn more about mercury, click here.) A small amount of mercury like this feels surprisingly heavy because mercury has a density of 13.5 g/mL, which is approximately 13.5 times denser than water (1.0 g/mL).
According to the given information:To convert gram divided centimeter³ to kg / m³
gram / centimeter³
= 10⁻³ kg / centimeter³
= 10⁻³ / (10⁻²)³ kg / m³
= 10⁻³ / 10⁻⁶ kg / m³
= 10⁻³⁺⁶ kg / m³
= 10³ kg / m³
To convert the amount from gm/cm3 to kg/m3, we must multiply it by 10^3
2.33 gram / cm³
= 2.33 x 10³ kg / m³ .
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I understand that the question you are looking for is:
You would like to know whether silicon will float in mercury and you know that can determine this based on their densities. Unfortunately, you have the density of mercury in units of kilogram-meter^3 and the density of silicon in other units: 2.33 gram-centimeter^3. You decide to convert the density of silicon into units of kilogram-meter^3 to perform the comparison.
By which combination of conversion factors will you multiply 2.33 gram-centimeter^3 to perform the unit conversion?
At what point on a line through the ends of the meter stick is the electric field equal to zero?
The point on a line through the ends of the meter stick is the electric field equal to zero is 4.7 m from the 0 cm mark.
What is electric field?An electric field is the physical field that surrounds the electrically charged particles and exerts force on all other charged particles in the field, either attracting or repelling them. It also refers to physical field for a system of charged particles. Electric fields originate from the electric charges and time-varying electric currents. Electric fields and the magnetic fields are both manifestations of the electromagnetic field, one of the four fundamental interactions (also called forces) of nature.
Electric fields are important in many areas of the physics, and are exploited in electrical technology. In atomic physics and chemistry, for the instance, the electric field is the attractive force holding the atomic nucleus and electrons together in atoms. It is also force responsible for chemical bonding between atoms that result in molecules.
The electric field is defined as a vector field that associates to each point in the space the (electrostatic or Coulomb) force per unit of charge exerted on an infinitesimal positive test charge at rest at that point. The derived SI unit for electric field is the volt per meter (V/m), which is equal to the newton per coulomb (N/C)
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The correct question will be:
"A +5.00-μC point charge is placed at 0.0 cm mark of meter stick and a -4.00-μC point charge is placed at 50.0 cm mark. At what point on a line through the ends of meter stick is electric field equal to zero?"
If the lead can be extracted with 92.5fficiency, what mass of ore is required to make a lead sphere with a 7.00 cm radius? the density of lead is 11.4 g/cm3.
The mass of the ore required to make the lead sphere 7 cm is 17.7 kg.
The radius of the lead sphere = 7 cm
The density of the lead = 11.4 g/cm³
The efficiency of lead extraction = 92.5 %
Let the mass of the lead = m.
Let the mass of the ore = M.
So the mass of the lead is,
[tex]m =(Density) \times[ \frac{4}{3} \pi(Radius) ^{3} ][/tex]
[tex]m = 11.4 \times \frac{4}{3} \times \frac{22}{7} \times( 7 )^{3} [/tex]
[tex] = 16385.6 \: g[/tex]
[tex] = 16.38 \: kg[/tex]
The efficiency constant is,
[tex]η = \frac{mass \: of \: lead}{mass \: of \: ore} [/tex]
[tex]η = \frac{m}{M}[/tex]
[tex]92.5\% = \frac{16.38}{M}[/tex]
[tex]M = \frac{16.38}{ \frac{92.5}{100} } [/tex]
[tex]M = \frac{16.38}{0.925} [/tex]
[tex] = 17.7 \: kg[/tex]
Therefore, the mass of the ore required to make the lead sphere of 7 cm is 17.7 kg.
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Johnny Hotfoot slams on the brakes of his car mov- ing at 60 mph (26.7 m/s) and skids to a stop in 4 s. (a) What is the deceleration of the car? (b) How far does it skid?
At 60 mph (26.7 m/s), Johnny Hotfoot slams on the brakes of his car and skids to a stop in 4 s. (A) How fast is the car slowing down? (b) The extent of the skid.
If the car had been traveling at 40.0 m/s, it would have slid 27.2 m.
The frictional force opposes the linear force pulling on the automobile. Consequently, m is the vehicle's mass, an is its acceleration, and c is its coefficient of friction.
The normal force is R.
given the aforementioned variables
Find the length of the skid if the vehicle had been traveling at 40.0 m/s.
The car would have skidded 27.2 meters if it had been driving at 40.0 meters per second.
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There is a negative surface charge density in a certain region on the surface of a solid conductor. just beneath the surface of this region, the electric field
Just beneath the surface of this region, the electric field is zero.
Surface charge densityCharge density is a measure of the amount of electric charge present in a space per unit volume in one, two, or three dimensions, according to electromagnetism.
The quantity of electric charge per surface area or volume, respectively, is known as the linear surface or volume charge density.
What is the surface charge density equation?Σ = q/A
The formula for surface charge density is = q/A, and the SI unit for surface charge density is coulombs per square meter (cm2). Assuming q is the charge and an is the area of the surface over which it flows
What does surface charge mean?A two-dimensional surface having a positive electric charge is called a surface charge. This 2-D surface and surface are restricted by these electric charges.
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Watch the animation and identify the correct conditions for forming a hydrogen bond.
When a hydrogen atom forms a covalent link with an N, O, or F atom, hydrogen bonding takes place.
Only a few substances that contain hydrogen can form a hydrogen bond.
The hydrogen bonds in the CH4 molecule are visible.
When a F atom and a hydrogen atom are covalently bound, the hydrogen atom gains a slight positive charge.
Covalent bonds and hydrogen bonds are interchangeable terms.
What is hydrogen bond?The interaction known as hydrogen bonding, which involves a hydrogen atom sandwiched between two other atoms with a high affinity for electrons, is stronger than van der Waals forces but weaker than ionic or covalent bonds. Atoms in separate molecules or distinct regions of the same molecule can form hydrogen bonds with one another. A hydrogen atom (FH, NH, or OH) is covalently bound to one of the pair's (the donor) typically fluorine, nitrogen, or oxygen atoms, with which it shares electrons unevenly. As a result of this high electron affinity, the hydrogen gains a little positive charge. The other atom in the pair, which is usually F, N, or O, has an unshared electron pair, giving it a little negative charge.
The donor atom efficiently transfers its hydrogen to the receiver atom by electrostatic attraction, creating a connection. Water (H2O) is liquid over a much wider temperature range than would be anticipated for a molecule of its size due to its extensive hydrogen bonding. Because it quickly forms hydrogen bonds with the solute, water is an excellent solvent for ionic compounds as well as many other types of solutes. A linear protein molecule's ability to fold into its functional configuration depends on the hydrogen bonds formed between the amino acids. The double-helix structure of DNA is essential for the transmission of genetic information. It is created by hydrogen bonds between nitrogenous bases in nucleotides on the two strands of DNA (guanine partners with cytosine, adenine couples with thymine).
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Crystal lake, inc., has a total debt ratio of 0.36. what is its debt-equity ratio?
When the total debt ratio is 0.36, the debt-equity ratio is 0.5625.
What does debt-to-equity ratio mean?The debt-to-equity ratio is a financial metric that shows how much debt and shareholder equity were utilized to finance the assets of a company. The ratio, often known as risk, gearing, or leverage, is closely related to leveraging. The debt-equity ratio serves as a gauge for how equally creditors and owners or shareholders contributed to the capital used by the company. The debt-equity ratio is the simple ratio of all long-term debt and equity capital in the company. The debt-to-equity ratio is calculated by dividing a company's total liabilities by the sum of its shareholders' equity. For the majority of businesses and industries, a desirable debt-to-equity ratio is around 2.0. A high debt-to-equity ratio shows that a business is using more market capital to finance its operations, whereas a low debt-to-equity ratio shows that the business is making better use of its assets and using less market capital. The debt-to-equity ratio is often higher in the capital industries.
Total Debt ratio = Debt/Asset
Hence, Debt=0.36*Total Assets
Assets = Debt*Equity
Hence Equity=(1-0.36)*Total Assets=0.64*Total Assets
So, Debt-Equity Ratio=Debt/Equity
=0.36Total assets/0.64Total assets
=0.5625
⇒Debt-Equity Ratio=0.5625
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Signal at least ____ before making a turn.
a) 2 blocks
b) 10 feet
c) 20 feet
d) 100 feet
The correct option is (d) 100 feet
Signal at least 100 feet before making a turn.
Before stopping, turning, or changing lanes, signal to other drivers so they are aware of your impending action. You can signal with your hand, arm, or your car's turn signals and brake lights. You should signal at least 100 feet before your turn so that other vehicles have time to adjust. You should turn from the lane that is closest to the direction you wish to go and into the lane that is closest to the one you came from if there are no signs or lane markers to restrict turning. You'll cross the fewest number of lanes of traffic in this manner. When making turns, switch lanes as smoothly as you can without going over the lane lines or obstructing the flow of traffic.Learn more about the safety driving with the help of the given link:
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Sketch the vector v in space and write its component form. v lies in the xz-plane, has magnitude 5, and makes an angle of 45 degree with the positive z-axis.
The component form is [tex]5/2 [\sqrt{2} /2,0,\sqrt{2}/2], 5/2 [-\sqrt{2} /2,0,\sqrt{2}/2][/tex].
If vv lies in the xz-plane then yy coordinate is 0.
We can have two scenarios: when vv lies in front of yz-plane and when vv lies behind yz-plane.
If vv lies in front of yz plane, then v=5×[tex][\sqrt{2} /2,0,\sqrt{2}/2][/tex]
If vv lies behind yz-plane then v=[tex][-\sqrt{2} /2,0,\sqrt{2}/2][/tex]
What is a vector parametric equation?A linear combination of vectors with potentially unknowable coefficients makes up a vector equation. It is the same as asking if a given vector is a linear combination of some other provided vectors to determine whether or not a vector equation has a solution.
The vector equation's components, x = x0 + at, y = y0 + bt, and z = z0 + ct, are the line's parametric equations. The direction numbers of the line are the three elements a, b, and c.
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Calculating The Milky Way galaxy contains
between 200 and 400 billion stars. Estimate the
number of stars in a cluster of 30 galaxies similar
in size to the Milky Way. Your answer should
consist of a low estimate and a high estimate,
both expressed in scientific notation.
——I NEED HELP ASAP!! PLEASE
The number of stars range between 6 * 10^9 stars and 1.2 * 10^10 stars.
What is the number of stars?We know that a galaxy is composed of many stars. The stars in the galaxy as we saw from the question, using the milky way as a template may have between 200 and 400 billion stars.
The number of stars could be obtained as the product of the number of galaxies and the number of stars in the lower and the upper limits.
Number of stars in the lower estimate = 200 * 10^6 * 30 = 6 * 10^9 stars
Number of stars in the higher estimate = 400 * 10^6 * 30 = 1.2 * 10^10 stars
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If you want to add 5 calories of heat to 1 gram of water, how will the temperature change?
Answer:
It will increase to 5ᵒC.
Explanation:
In animals, carbohydrates are stored in ______ granules adjacent to the smooth er membrane in liver cells. these release energy upon demand.
As the liver cells of animals, carbohydrates are kept in glycogen granules close to the inner membrane. On demand, these release energy.
Where can you find glycogen ?In addition to human muscle and liver cells, other cells such as those in the brain, heart, smooth muscle, kidney, red and white blood cells, and even adipose tissue also store modest amounts of glycogen.
Glucose is stored in the form of glycogen. It is a sizable, multi-branched polymer of glucose that is converted back into glucose in response to glucagon and accumulates in response to insulin. The fact is that because fat is such an energy-dense molecule and contains so many calories per gram, ounce, or pound, it is far simpler to lose weight when your body burns carbohydrates instead of fat. While a gram of glycogen only contains four calories, a gram of fat has nine calories.
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A ship travels 20 km to the south and then 40 km to the west. the ship's displacement from its starting point is?
A ship travels 20 km to the south and then 40 km to the west. The ship's displacement from its starting point is approximately 44.7 km. Hence, the displacement is approximately 45 km.
Here, the calculation is done,
a = 20 km (southward movement)
b = 40 km (westward movement)
Now, one can find the displacement (d) using the Pythagorean theorem:
d² = a² + b²
d² = (20 km)² + (40 km)²
d² = 400 km² + 1600 km²
d² = 2000 km²
Now, by taking the square root of both sides to find the displacement (d):
d = √(2000 km²) d ≈ 44.7 km (rounded to one decimal place)
So, the ship's displacement from its starting point is approximately 44.7 km.
Hence, the displacement is approximately 45 km.
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The earth is an open system for energy. What should be added to the pyramids to make them correct due to that statement?
The earth is an open system for energy. Sunlight should be added to the pyramids to make them correct.
A system that is in touch with its surroundings or the external environment through the exchange of energy, matter, and materials is called an open system.
In an open system, the energy and matter flow in and out of the boundaries of the system. Earth is a perfect example of the open system as it is in contact with its surroundings.
The exchange between materials such as energy and information takes place in such a system.
The stove top is an example of an open system because in this system the exchange of both heat and moisture occurs with the surrounding. On the other hand, in a closed system, only energy is exchanged.
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Speed limit signs on expressway exit ramps are generally colored __________ .
Answer:
White with black lettering
Explanation:
Generally they are yellow with black lettering but that's for highways at least the state I live in.
Hope this helps!
What is the average rate from 2.0 to 6.0 seconds in mol / l s? use 4 decimal places
The average rate from 2.0 to 6.0 seconds in mol/L is 0.004025 mol/L.
What is decomposition reaction ?Decomposition reactions are those in which a reactant undergoes reaction to form two or more products.
2AX2(g) -------> 2AX(g) + X2(g)
t1 = 2.0 s and t2 = 6.0 s
x1 = 0.0249 and x2 = 0.0088
Average rate of reaction:
Ra = ∆[x]/DeltaT = X2 - X1/t2 - t1
Ra = 0.0088 - 0.0249/6 - 2 = 0.004025 mol
Thus, the average rate is 0.004025 mol/L.
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In how many ways can the elements of [n] be permuted if 1 must precede 2 and 3 is to precede 4?
No. of ways in the elements of n be permuted is n!/4
Number of elements = n
Number of face in which the element of n be permuted if 1 must proceed 2 and 3 is to precede 4.
n = 4
The possible permutation will
(1,2,3,4), (1,3,2,4),(1,3,4,2),(3,4,1,2),(3,1,2,4),(3,1,4,2)
There are 6 possible outcomes
For n= 5
With 1,2,3,4 we add 5 in the arrangement with above terms
The possible number of permutation
5×6 = 30
When n = 6
30×6 = 180.
So for an element
If 1 precede 2 and 3 is yo precede 4 is
[tex]\frac{n*(n-1)*(n-2) ........ 6*5*6*4!}{4!}[/tex]= n! ×6/4!
= n!/4
No. of ways in the elements of n be permuted is n!/4
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What is the atomic number for an element whose mass number is 115, which contains 66 neutrons per atom?
The atomic number for an element whose mass number is 115, which contains 66 neutrons per atom is: 49
The formula and procedure we will use to solve this problem is:
number of protons = mass number - number of neutronsatomic number = number of protonsInformation about the problem:
mass number = 115number of neutrons = 66atomic number =?Applying the number of protons formula we get:
number of protons = mass number - number of neutrons
number of protons = 115 - 66
number of protons = 49
Applying the atomic number formula we get:
atomic number =number of protons
atomic number = 49
What is an atom?The atom is the smallest part of the composition of matter, it is indivisible and is composed of a nucleus that has protons and neutrons, and around the nucleus there are the electrons.
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A particle is moving along a projectile path at an initial height of 96 feet with an initial speed of 16 feet per second. this can be represented by the function h(t) = −16t2 16t 96. what is the maximum height of the particle? 100 feet 96 feet 60 feet 56 feet
The maximum height of the particle is 100feet
CalculationApplying linear motion equations,
v^2 = u^2 - 2as
v = final velocity
u = initial velocity
g = acceleration due to gravity
s = height travelled
At max height,
velocity = 0 i.e. V=0, initial velocity u = 16ft/sec
g = 32ft/[tex]sec^{2}[/tex]
so we have
0 = [tex]u^{2}[/tex] -2gs
S = [tex]u^{2}[/tex]/2g
= 16*16/2*32
= 4 feet
So maximum height = initial height + height travelled
= 96 + 4 = 100 feet
What is the maximum height and range formula?The range is u2sin2g and the needed value of the maximum height is u2sin2g. Not to be confused with flying time is the maximum height attained.
What is the highest point?Maximum Height refers to a structure or sign’s highest point as measured from the average natural ground level at the base of the supporting structure.
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Answer:
100 feet
Explanation:
Consider a stage doing batch processing with a required setup. if the batch size increases 2 times, how would the stage capacity be affected?
The correct answer for the affect in the stage capacity is that it will increase.
The stage's capacity will increase .
The capacity formula is as follows:
Capacity = (Batch size) / (Total setup time + processing time x batch size)
Clearly, increasing the batch size twice will increase capacity, but not in the same proportion because the batch size is the same in the numerator and denominator. Increasing the batch size will increase the capacity but in very small proportions. Furthermore, if the batch size is too large, goods will be produced even if there is no demand, and if the batch size is too small, capacity will be lost. As a result, there is a trade-off between batch size and capacity.
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1. How many milligrams are in 25 grams?
Answer: 25000 milligrams are in 25 grams
Explanation:
Answer:
25,000
Explanation:
Since 1 gram is 1,000 milligrams, multiply 25 x 1,000 to get the answer.
How many grams of calcium metal is required to react with 7.75 g water to produce calcium hydroxide and hydrogen gas?
87.69 grams of calcium metal is required to react with 7.75 g water to produce calcium hydroxide and hydrogen gas.
Ca (OH)2+2H2 = CaH2 + 2H2O
Convert grams of hydrogen to moles of hydrogen.
H2 has a molar mass of 2.016 g/mol.
1 mol H2 x 8.400g H2
2.016g H2 equals 4.1667 mol H2
Calculate the moles of CaH2 using the molar ratio.
The molar ratio is 1 mol CaH2: 2 mol H2, according to the equation that is balanced.
2.0833 mol CaH2 = 4.1667 mol H2 1 mol CaH2 2 mol H2
grams of CaH2 to CaH2
CaH2 has a molar mass of 42.09 g/mol.
1.mol CaH2=87.69 g CaH2 2.0833mol CaH2=42.09 g CaH2
87.69 g CaH2 are required for the reaction.
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7. 122 10 292 252 Fig. 6.31 a The effective resistance of the circuit shown in the figure above is ? NE
R1+R2+R3 =1+1+1=3 is used to represent the circuit's overall resistance.
The 3 resistors on the upper side of the circuit are linked in series in this instance, and the total resistance R1 is expressed as 1+1+1=3.
The combined resistance R2 is expressed as 2+2+2=6 due to the series connection of the three 2-ohm resistors on the lower part of the circuit. The intermediate resistances R1, R2, and 2 are linked in parallel. This parallel connection's total resistance, R3, is therefore represented as 2/1+ 2/1+ 6/1 = 1/1=1 ohm.
In other words, the closed loop's resistance is decreased to 1 ohm.
Now, R1+R2+R3 =1+1+1=3 is used to represent the circuit's overall resistance (R).
As a result, the resistance in the circuit from point A to point B is 3.
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Astronomers have not yet been able to detect planets outside our solar system. true false
A particle has an acceleration of 6.14 m/s2 for 0.300 s. at the end of this time the particle's velocity is 9.41 m/s. part a what was the particle's initial velocity? chefggg
The initial velocity of particle is 7.568 m/s
Given:
Acceleration = a = 6.14 m/s2
Time = t = 0.300 s.
final velocity = v = 9.41 m/s.
To Find:
initial velocity = u
Solution: Velocity is the prime indicator of the position as well as the rapidity of the object.
v = u + at
u = v - at = 9.41 - 6.14*0.3 = 7.568 m/s
Hence, initial velocity of particle is 7.568 m/s
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Object a is moving at speed v in a circle of radius r. object b is moving at speed 2v in a circle of radius r/2. what is the ratio of the period of object a to the period of object b?
The correct answer for the ratio of the period of object a to the period of object b 4.
we know time for one revolution. around which is the period for one revolution it has to travel distance equal to perimeter.
So, speed of object in circular motion
v = perimeter /t
time period = 2πr/v
for object A ,Ta = 2 π R/ v
for abject B, Tb = (2π R/2 )/2v
now Ta / Tb = ((2πR)/v)/((2π(R/2))/(2V)) = 1/(1/4) = 4
Circular motion is defined in physics as the movement of an object around the circumference of a circle or the rotation of an object along a circular path. It can be uniform, with a constant angular rate of rotation and speed, or non-uniform, with a variable rate of rotation.When the magnitude of an object's velocity in uniform circular motion is v, the velocity is equal to the circumference C of the circle divided by the period. As a result, V = fracCT. The circumference of a circle is equal to pi multiplied by R. So, C = 2Π R.
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The pendulum is a thin ring with a radius of R 10 cm and a mass of m 500 g, suspended on a weightless thin rod with a length of l 0.4 m. Determine the moment of inertia of the pendulum relative to the axis around which the oscillations occur
The moment of inertia of the pendulum is determined as 0.0025 kgm².
What is moment of inertia?
The moment of inertia of an object is defined as a measurement the rotation of the object around a fixed axis.
The pendulum can be modelled as a circular disk and the moment of inertia is calculated as follows;
I = ¹/₂Mr²
where;
M is mass of the pendulumr is the radius of the pendulumI is the moment of inertia of the pendulumSubstitute the given parameters and solve for the moment of inertia of the pendulum.
I = 0.5 X 0.5 kg x (0.1)²
I = 0.0025 kgm²
Thus, the moment of inertia of the pendulum is determined as 0.0025 kgm².
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For customer arrivals, the random number interval assigned to the time between arrivals of 2 minutes is:_________
For customer arrivals, the random number interval assigned to the time between arrivals of 2 minutes is 0.0500-0.19999.
What do you mean by time?Time is the continued sequence of the existence and events that occurs in an apparently irreversible succession from the past, through the present, into the future. It is a component quantity of the various measurements used to sequence events, to compare the duration of events or the intervals between them, and to quantify rates of change of quantities in material reality or in the conscious experience. Time is often referred to as a fourth dimension, along with the three spatial dimensions.
Time has long been an important subject of the study in religion, philosophy, and science, but defining it in a manner applicable to all fields without circularity has consistently eluded scholars. Nevertheless, diverse fields such as the business, industry, sports, the sciences, and the performing arts all incorporate some notion of time into their respective measuring systems.
Time in physics is operationally defined as the "what a clock reads".
The physical nature of the time is addressed by general relativity with respect to events in spacetime. Examples of events are collision of two particles, the explosion of a supernova, or the arrival of a rocket ship. Every event can be assigned the four numbers representing its time and position (the event's coordinates).
However, the numerical values are different for the different observers. In general relativity, question of what time it is now only has meaning relative to a particular observer. Distance and the time are intimately related, and the time required for light to travel a specific distance is the same for all observers, as first publicly demonstrated by Michelson and Morley. General relativity does not address nature of time for extremely small intervals where quantum mechanics holds. At this time, there is no generally accepted theory of the quantum general relativity.
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If, in the figure, you start from the Bakery, travel to the Cafe, and then to the Art Gallery in 1.50 hours. What is the average velocity?
The average velocity is 1 km/hr.
What is average velocity?Velocity is the speed of a body in a given direction.
Velocity can also defined as the displacement of body with time.
The average velocity will be be the ratio of the total displacement with time.
Average velocity = displacement/timeTaking the right direction as positive and the direction to the left as negative:
displacement of the body = (4.0 - 2.5) km
displacement of the body = 1.5 km
Average velocity = 1.5 km/ 1/5 hours
Average velocity = 1 km/hr
In conclusion, the average velocity is obtained from the displacement and time taken.
Learn more about average velocity at: https://brainly.com/question/4931057
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