The main circuits on the system board that carry data are called the data bus.
What is a data bus?
A system within a computer or device that transports data typically consists of a connector or wired connection. Along with the development of personal computers and other hardware, several data bus types have also changed. Web dictionaries define a bus as a vehicle that transports numerous passengers from one location to another, however in this situation, data is also involved. A bus is a connection between two or more devices that needs to convey data or have a communication path. The communication link between a computer system's processing unit and memory unit serves as a standout example.Learn more about the data bus with the help of the given link:
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You are given the equation(s) used to solve a problem. write a realistic problem for which this is the correct equation(s) number 72
Complete Question
In Problems 69 through 72 you are given the equation(s) used to solve a problem. For each of these,
(a) Write a realistic problem for which this is the correct equation(s).
The electric field due to a point charge at distance of 1 um is given as 1.5x10^6 N/C
E = (9*10^9 Nm^2/C^2*N*1.6*10^-19 C)/(1*10^-6)^2
E = 1.5x10^6 N/C
Hence, Electric field is 1.5x10^6 N/C
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The energy required to warm one gram of water by one celsius degree is called a _______
The energy required to warm one gram of water by one celsius degree is called a specific heat
The specific heat also known as specific heat capacity, is an intensive property specific, and representative of each substance. It is defined as the energy or amount of heat required to raise the temperature of 1 kilogram (kg) of mass by one degree Celsius (°C).
In the International units system of measurement the specific heat is expressed in Joules per kilogram per degree Kelvin.
What is temperature?It is the physical magnitude that allows us to know the degree of heat that a body or an environment has. The higher the temperature, the greater the degree of heat.
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The force experienced by a unit test charge is a measure of the strength of an electric:
-zone
-field
-sphere
-sector
Answer:
the answer should be field.
A brick falls to the ground. if the time for the collision of the brick and the ground is increased by a factor of 4, the force of the collision with the ground will change by a factor of:_______.
The force of collision with the ground will change by a factor of 4
The formula for momentum shows an inverse relationship between force and time, in other words, force varies inversely as time. Hence, if the time of collision between the brick and the ground is increased by a factor of four, the force of collision is with the ground changes by a factor of four. In this case, the resulting force reduces by a factor of four. Momentum is defined as the product of the mass of an object with the changes in the velocity of the same object per time.
F=m(v-u)/t
Where F= momentum
v= final velocity
u= initial velocity
t = time taken
The earth diameter is about 3 and 2 thirds times the diameter of the moon. what is the angular diameter of the earth seen by an observer on the moon?
We calculate the angular diameter of the Earth using the equation:
a=arctanD/d
where a is the angular diameter, D is the physical diameter of the Earth, and d is the distance from the Moon to the Earth.
The equatorial radius of the Earth is rE=6378.1km, the diameter is therefore
D=2×rE=12756.2.
The mean distance to the Moon is d=384399km. This gives a (mean) angular diameter of a=1.90065°.
At Perigee the distance is d=362,600km. This gives an angular diameter of a=2.01482°
At Apogee the distance is d=405,400km. This gives an angular diameter of a=1.80226°
These Moon-Earth distances are as seen from the centre of the Moon. To calculate the diameter from the surface of the Moon, to subtract the position of the observer along the Moon-Earth axis.
If the observer is on the Moon's equator and the Earth is at zero-hour angle, the distance to the Earth needs to be subtracted by rM=1738.14km. Thus, we have;
The mean distance to the Moon is d=384399−1738=382661km, giving an angular diameter of a=1.90928°.
At Perigee the distance is d=362600−1738=360862km. We have an angular diameter of a=2.02452°
At Apogee the distance is d=405400−1738=403662km. We have an angular diameter of a=1.81001°
The angular diameter of the Earth from the surface of the Moon is, therefore, between a=1.80226° (at apogee and the Earth is near the horizon) and a=2.02452° (at perigee and for an observer at the equator and when the Earth is at maximum altitude on the meridian).
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If an object were in space like voyager satellite we launched how much force is be needed to keep it going
Answer:
zero
Explanation:
Zero force is required to keep it moving at a constant speed
due to inertia ====> objects at rest tend to stay at rest and objects moving tend to remain that way unless acted upon by forces
The potential at points a and b are: va = -2 v and vb = 6 v. when a 5 c charge is moved from a to b, the change in potential energy of this system is answer j.
The change in potential energy of this system is = 40 J.
What is the potential difference?The potential difference, often known as voltage, is equal to the amount of current times the resistance. One Joule, or one Volt, of energy is required for one Coulomb of charge to flow from one place in a circuit to another.
What is the formula for potential difference?V=Uq The change in potential energy of a charge q transported from point A to point B, divided by the charge, is what is used to determine the electric potential difference between points A and B, or VBVA. The joules per coulomb unit of potential difference is called the volt (V).
This system's potential energy changed by 40 J.
Energy = charge * potential difference
=> Energy = (8v)*5
=> Energy = 40 J
The change in potential energy of this system is = 40 J.
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A powerful motorcycle can accelerate from rest to 29.2 m/s in only 3.9 s. What is its average acceleration in meters per second squared?
56 meters have been determined as the distance traveled.
s-displacement, u-initial velocity, v-final velocity, a-acceleration, and t-time variables are equal to v=u + at and v2 = u2 + 2ass, respectively.
The motorcycle's values are as follows:
u= 0m/s
v=28m/s
t=4s
a=??
s=??
v=u +at
28= 0 + 4a
4a=28
a= 7m/s2
As a result, the typical acceleration is 7 m/s2.
displacement u2+2as, v2=s
28^2= 0^2+ (2x7s)
784= 14s
s= 784/14
s= 56
Therefore, the journey's distance was 56 meters.
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convert 6000tons into kilograms
pls show workings
thank you
If you are using standard tons, then each ton is 907.18474 kg.
Multiply that and your answer is 5,443,108.44 kg.
If you are using metric tons, then multiply by 1,000.
6,000 * 1,000 = 6,000,000 kg
Car drives uphill at 40 km/h and then back downhill at 60 km/h. what is the average speed for the round trip?
Answer:
48 km/hr
Explanation:
These are often calculated incorrectly because TIME is ignored
time = distance / rate
uphill = d / 40 downhill = d/60
average rate = distance / time
= 2d / ( d/40 + d/60) 2d is uphill + downhill
= 2 / ( 1/40 + 1/60 ) = 48 km/hr
Which planet in the solar system has not been examined by spacecraft instruments that have either flown by or orbited them?.
You can't get one over on me; spacecraft have traveled to every planet in our solar system.
What does a spacecraft require and how is it created?In addition to science instruments, a spaceship has a number of crucial parts, including an engine, power subsystem, steering system, and communications system. The payload module is where the science instruments are located, while the service module houses the majority of these systems.The most common composite material used for spacecraft structures is graphite-epoxy. Graphite fibers embedded in an epoxy matrix provide the structure its strength and rigidity.More and more space applications are utilizing composite materials made of graphite and epoxy. These materials appeal to engineers because of their potential for a zero or almost zero coefficient of thermal expansion and their advantageous mechanical characteristics of high strength/high stiffness to weight ratio.To learn more about spacecraft, visit:
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Answer:
Use the table below to answer questions 5-6.
Answer:
its also difficult for me.
An object is pulled northward with a force of 10 n and southward with a force of 15 n. the magnitude of the net force on the object is:________
a. 0 n.
b. 5 n.
c. 10 n.
d. 15 n.
The correct option is (b) 5n
As a result, there is a net downward force of 5N operating on the object.
The resultant force is the force that results from adding the vector sums of all the forces operating on an item. The combined action of all the acting forces on the object produces the same effect as the resulting force. When determining the resulting force, the direction of the forces must be taken into account.
Given;
The northward force is Fn = 10N
The southward force is Fs = 15N
Required;
The net force on the mobile phone is Fnet = ?N
The object's weight exerts downward pressure, and upward resistance exerts upward pressure. The vector sum of these two forces will be the net force.
Fnet = Fs - Fn (Considering the direction downward as positive)
Fnet= 15N - 10N
Fnet = 5N
As a result, there is a net downward force of 5 N operating on the object.
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A bullet brand unknown is fired from the feg p9r pistol. suppose the velocity (at 15 feet) of the bullet us 1,000 feet per second. is the bullet likely to be manufactured by winchester?
No, the bullet is not likely to be manufactured by Winchester.
Given:
X = 936
S=10\ss=10
We are unable to use the empirical rule since we do not know if the distribution is symmetric or skewed.
According to Chebyshev’s rule, which states that at least 89% of the data values are contained within 3 standard deviations of the mean, can be used to help us.
Overline x 3s=936 3(10) = 906 x 3s = 936 3(10) = 906
Overline x +2x = 936 + 3 (10), which becomes x +2x = 936
Thus, between 906 and 966 is the range for at least 89% of the velocities.
Empirical principle approximately 68.3 percent of the values in a data set with a symmetric distribution will be within one standard deviation of the mean, approximately 95.4 percent will be within two standard deviations of the mean, and approximately 99.7 percent will be within three standard deviations of the mean.
Usual values fall within 3 standard deviations of any mean and 1000 does not come within 3 standard deviations of the mean, thus it is unlikely that the bullet with velocity 1000 feet per second was manufactured by Winchester.
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With what speed (in feet/second) must a ball be thrown vertically upward in order to rise to a height of 18.1 ft, neglecting air resistance?
The maximum speed by which a ball is thrown vertically upward is 34.1255 ft/sec. as the height in the given data is 18.1 ft.
What is vertical launch upwards?In physics, vertical launch upward may be characterized as the motion that is illustrated by an object that has been set afloat vertically upwards in which the height and the consequences of the earth's gravitational force set in motion of an object are taken into consideration.
According to the question,
The formula for the vertical launch upward may be as follows:
y max = v₀²/(2*g).where v₀ = initial velocity
g = gravity max = maximum height.
We know that,
g = 32.17 ft/s²
On applying the formula of maximum speed and clearing the initial velocity we get:
y max = v₀²/(2*g)
v₀ = √(y max * (2*g)
v₀ = √( 18.1 ft * (2 * 32.17 ft/s²)
v₀ = √( 18.1 ft * 64.34 ft/s²)
v₀ = √1164.554 ft²/s²v₀ = 34.1255 ft/sec.
Therefore, the maximum speed by which a ball is thrown vertically upward is 34.1255 ft/sec. as the height in the given data is 18.1 ft.
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A person of weight 80 kg jumped off a platform of height 1 m and safely landed on their feet. what is the magnitude of the momentum change during the collision? give answer in si units.
The momentum change is 125440 kg.m/s.
We need to know about momentum to solve this problem. Momentum can be defined as the degree of difficulty to stop a moving object. It can be determined by
P = m . v
where P is momentum, m is mass and v is velocity.
Momentum also can be defined by kinetic energy
KE = 1/2 . m . v²
KE = P² / 2m
where KE is kinetic energy
From the question above, we know that:
m = 80 kg
h = 1 m
g = 9.8 m/s²
By conservation of energy, the initial kinetic energy is zero because of the person is in static condition. Hence, the initial momentum is
KEo = Po² / 2m
Po = 0 kgm/s
After the jump, the person will have maximum kinetic energy before landing which can be written
KE = PE
P² / 2m = m . g . h
P² = 2m² . 9.8 . 1
P² = 2.80² . 9.8 . 1
P² = 125440 kg.m/s
The momentum change is
ΔP = P - Po
ΔP = 125440 - 0
ΔP = 125440 kgm/s
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Solve the following problems using the correct number of significant figures each time.
8. Significant Figures Solve the following
problems, using the correct number of signifi-
cant figures each time.
a. 10.8 g - 8.264 g
b. 4.75 m - 0.4168 m
c. 139 cm x 2.3 cm
d. 13.78 g/11.3 mL
e. 1.6 km + 1.62 m + 1200 cm
The solution to the problems in correct significant figures are;
a. 10.8 g - 8.264 g = 2.536 g
b. 4.75 m - 0.4168 m = 4.3332 g
c. 139 cm x 2.3 cm = 319.7 cm²
d. 13.78 g/11.3 mL = 1.22 g/ml
e. 1.6 km + 1.62 m + 1200 cm = 1,613.62 m
What is significant figures?Significant figures are used to establish the number which is presented in the form of digits.
Solution of the given expressionsa. 10.8 g - 8.264 g = 2.536 g
b. 4.75 m - 0.4168 m = 4.3332 g
c. 139 cm x 2.3 cm = 319.7 cm²
d. 13.78 g/11.3 mL = 1.22 g/ml
e. 1.6 km + 1.62 m + 1200 cm = 1,600 m + 1.62 m + 12 m = 1,613.62 m
Thus, the solution to the problems in correct significant figures are;
a. 10.8 g - 8.264 g = 2.536 g
b. 4.75 m - 0.4168 m = 4.3332 g
c. 139 cm x 2.3 cm = 319.7 cm²
d. 13.78 g/11.3 mL = 1.22 g/ml
e. 1.6 km + 1.62 m + 1200 cm = 1,613.62 m
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What are some of the limitations of this two-dimensional model of electric fields?
Some limitation of this two-dimensional model of electric fields are
Vectors can only be shown from one particle to another, but we don't see that in this model. We cannot see the object in the "z" direction as we could if it were a three-dimensional model.The direction of the field is taken to be the direction of the force it would exert on a positive test charge.The electric field is radially outward from a positive charge and radially inwards in a negative point charge i.e. not restricted to only two directions.Electric field is the electrical property associated with each point in space when charge in any form is present.
Three dimensional model must be used to find electric field of a particle as it is easy to understand and also provides clear visualization.
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A one dimensional array data is declared as follows: char data[4]; the base address is 2222 and each value takes up one location in memory. what is the address of the fourth element?
The correct answer for the address of the fourth element will be 2225.
The fourth element will be data -.
So if the data[0] element starts at 2222, and each char element takes 1 byte, then
data[0] starts at 2222
data[1] starts at 2223
data[2] starts at 2224
data[3] starts at 2225
Answer: 2225
A linear data structure that collects elements of the same data type and stores them in contiguous and adjacent memory locations is known as an array. Arrays use an index system that ranges from 0 to (n-1), where n is the array's size.
The array data type is a compound data type represented in the database dictionary by the number 8. Arrays are collections of elements of the same data type that are accessed via an index (attribute) number. The terms array, list, vector, and sequence are all synonymous
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23.6cm= what in meters
Explanation
23.6/100= 0.236
In lecture, it was discussed measurements of mass, temperature, time, volume and length. which of these is not an si base unit (hint - only one)?
From the options provided in the question, the measurement which is not an SI base unit is volume.
What is SI base unit?This is referred to as the standard and fundamental unit of measurement of various quantities or variables which is defined arbitrarily and not by combinations of other units.
Volume is a quantity which is derived from the combination of lengths in a three-dimensional manner which is why the formula is length× breadth×height and the unit is cm³. This is gotten from the combination of the unit of length which is cm.
This is therefore the reason why volume was chosen as the most appropriate choice.
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If an astronaut goes on a space walk outside the space station, she will quickly float away from the station unless she has a tether holding her to the station. True or false?.
Answer:
True
Explanation:
Very simple, if the tether aint holding her, what is?
Wich part of the mind uses conscious-making to find a compromise between the id and the superego
The Id
The id, according to Freud, is the main element of personality because it is the source of all psychic energy.
The only aspect of personality that is present from birth is the id.
This element of personality, which consists of innate and primordial behaviors, is essentially unconscious.
The pleasure principle, which aims for instant fulfillment of all needs, wants, and desires, is what motivates the id.
A condition of tension or anxiety results if these demands are not met right away. An increase in hunger or thirst, for instance, should prompt a prompt attempt to eat or drink.
Early in life, the id is crucial since it guarantees that an infant's wants are addressed. if the infant is uneasy or hungry.
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1. Convert the following measurements to the units specified.
2.5 days to seconds
Answer: 216000
Explanation:
60 seconds in 1 hour
24 hours in a day = 1440
148 hours in 7 days
The radius of a vanadium atom is 130 pm. how many vanadium atoms would have to be laid side by side to span a distance of 2.54 mm?
The number of vanadium atoms are 9769230.
To find the number of vanadium atom, the given values are,
radius of vanadium atom = 130 pm
distance = 2.54 mm
What is Vanadium?Vanadium is a chemical element and the symbol of vanadium is V.The atomic number of vanadium is 23.The crystal structure of vanadium is Body centered cubic.Let us assume that a vanadium atom has a spherical shape.
diameter of a sphere = 2 x radius of the sphere
Thus,
Radius of a vanadium atom = 130 pm
= 130 x 10⁻¹² m
The diameter of a vanadium atom = 2 x radius
= 2 x 130 x 10⁻¹²
= 260 x 10⁻¹² m
Given a distance of 2.54 mm = 2.54 x 10⁻³ m,
The number of vanadium atoms required to span the distance,
= ( 2.54 x 10⁻³ m) / ( 260 x 10⁻¹² m)
= 9769230.
Therefore, the number of vanadium atom that would span a distance of 2.54 mm is 9769230.
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Which element, inductor or capacitor, releases its stored energy before it is removed from the circuit?
Inductor releases its stored energy before it is removed from the circuit.
What is an inductor?A passive two-terminal electrical device known as an inductor, also known as a coil, choke, or reactor, stores energy in a magnetic field as electric current passes through it. Typically, an inductor is made out of insulated wire twisted into a coil. According to Faraday's law of induction, the time-varying magnetic field generates an electromotive force (e.m.f.) (voltage) in the conductor as the current through the coil varies. Lenz's law states that the induced voltage has an opposing polarity (direction) to the change in current that caused it. Inductors so reject any changes in the current flowing through them.Inductance, which is the ratio of voltage to current change rate, is a property of inductors.To know more about inductors, refer:
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Explain why the properties of polycrystalline materials are most often isotropic?
Most polycrystalline materials consist of randomly arranged crystals or "grains." Although individual grains have different orientations and behave anisotropic ally by themselves that's why the properties of polycrystalline materials are most often isotropic.
What are polycrystalline materials?Polycrystalline materials, or polycrystals, are solids that are made out of numerous crystallites of shifting size and direction. Most materials are polycrystalline, made of countless crystallites kept intact by meager layers of shapeless strong. Most inorganic solids are polycrystalline, including all normal metals, numerous earthenware production, shakes, and ice. The crystallite size can be determined from the full width at half most extreme force (FWHM) estimated on the adjusted diffraction profile. The guideline of crystallite size estimations by x-beam diffraction depends on the way that the Fourier change of various size crystallites shifts contrarily with the size of the crystallite.
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Find the mass of body which is accelerated by applying a force of 200n,that speed up it to 36 ms^-2
The mass of body which is accelerated by applying a force of 200n,that speed up it to 36 m/s^2 is 5.5 grams.
Given that,
Applied Force = 200n
Acceleration = 36m/s^2
Let,
consider a mass of the object = m
Now,
Formula used:
Force = mass / acceleration
F = m / a
m = f / a
m = 200/ 36
m = 5.5 gm
Therefore,
Mass of the body will be 5.5 grams.
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Conceptual, human, and technical skills are important to which managerial level?
Conceptual abilities are essential for top managers, but they are less important for mid-level managers and are not necessary for first-level managers. The value of these talents will increase as we go up the managerial ladder.
What is the difference between basic and technical skills?In general, conceptual abilities refer to the capacity to deal with ideas and concepts. Whereas technical skills are concerned with objects and human skills with people, conceptual skills are concerned with the capacity to work with ideas.
These are intellectual abilities, human abilities, and technological abilities. A manager's conceptual talents enable him or her to see the complete organisation as well as deal with ideas and the links between abstract notions. Human skills, also known as human connection skills, need communication and attention to interpersonal interactions.
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A test rocket at ground level is fired straight up from rest with a net upward acceleration of 20 m/s2. After 4.0 s, the motor turns off, but the rocket continues to coast upward with insignificant air resistance. What maximum elevation does the rocket reach?
The maximum elevation the rocket will reach is 160 m.
Maximum height attained by the rocketThe maximum height reached by the rocket is calculated as follows;
h = vt + ¹/₂at²
where;
v is the initial velocity of the rocket = 0t is the time of motiona is the acceleration of the rocketsubstitute the given parameters and solve for maximum height.
h = 0 + ¹/₂(20)(4)²
h = 160 m
Thus, the maximum elevation the rocket will reach is 160 m.
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The density of silver is 10.5 g/cm3g/cm3. part a what is this value in kilograms per cubic meter?
The correct answer for the density of silver in kilograms per cubic meter is 10500 kg/m^3.
Silver has a density of 10.8103 kg/m3.Pure silver is nearly white, lustrous, soft, very ductile, and malleable, and it is an excellent heat and electricity conductor. Although it is not a chemically active metal, it is attacked by nitric acid (which forms nitrate) and hot concentrated sulfuric acid.
Atomic weight: 107.87 g.mol-1
At 20°C, the density is 10.5 g.cm-3.
962 °C melting point
2212 °C is the boiling point.
Silver has long been used in the manufacture of coins, ornaments, and jewelry due to its relative scarcity, brilliant white color, malleability, ductility, and resistance to atmospheric oxidation. Silver, along with gold and the platinum-group metals, is one of the so-called precious metals.
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