What is true about an object as its temperature increases?a. the object's atoms lose heat. b. the object's atoms gain kinetic and elastic potential energies. c. the object's atoms gain heat.

The temperature of the ideal gas is 12.76 K.

We need to know about the ideal gas theory to solve this problem. The ideal gas is assumed that there is no interaction between particles in a gas. It can be determined by the equation

P . V = n . R . T

where P is pressure, V is volume, n is the number of moles gas, R is the ideal gas constant (8.31 J/mol.K) and T is temperature.

From the question above, we know that

n = 1.3 mol

V = 1.30 l = 1.3 x 10¯³ m³

P = 1.05 atm = 1.05 x 1.01 x 10⁵ Pa = 106050 Pa

By substituting the following parameters, we can calculate the temperature

P . V = n . R . T

106050 . 1.3 x 10¯³ = 1.3 . 8.31 . T

T = 137.865 / 10.803

T = 12.76 K

Hence, the temperature of the gas is 12.76 K.

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The frequency of the beat they produce when playing together in their fundamental is 82.29 Hz

From the question we are told that:

Initial pipe length L 1 = 1.03 m

Final pipe length L 2 = 1.03 + (2 x 10^-2) = 1.05 m

The frequency of a repeated event is its number of instances per unit of time. It is also sometimes referred to as ordinary frequency to contrast angular frequency with ordinary frequency and temporal frequency to stress the comparison to spatial frequency.

Generally the equation for Frequency f is mathematically given by

F = v/λ

λ = 4 L and V = speed of sound in air = 343 m/s

F = v/4*1/L1 - 1/L2 = 343/4*1/1.03 - 1/1.05

F = 82.29 Hz

Hence, Frequency of the beat produce is 82.29 Hz

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Answer: 0.05 M/min

Explanation: (0.85 - 0.55)/ 6 mins

Answer:

99km

Explanation:

The lifespan of lemonade is significantly extended if salt is used in place of sugar. In other words, it lasts a lot longer than it would typically.

Despite having a similar appearance, salt and sugar taste considerably differently. Chemically, they differ greatly as well. Salt is an ionic compound comprised of sodium and chloride. Contrarily, sugar contains covalent bonds and is made up of carbon, oxygen, and hydrogen. Similar to adding a pinch of the traditional sodium chloride to baked goods like pies or cakes, adding salt to lemonade can help enhance the sweet flavors and lessen any bitterness that may be present.

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The chemical formula of diiodine pentoxide is I2O5.

The chemical compound with the formula I2O5 is known as iodine pentoxide. The only stable iodine oxide is this one, which is the anhydride of iodic acid. It is made by dehydrating iodic acid in a stream of dry air at 200 °C.

2HIO3 = I2O5 + H2O.

At ambient temperature, iodine oxide (I2O5), which is created by dehydrating iodic acid (HIO3), is a white, crystalline solid that is stable up to 300°C (573K). I2O5 is a potent oxidizer. Its structure is described below. Iodine pentoxide is an oxidizing agent that transfers oxygen atoms to substrate. It functions as an oxidizing agent and speeds up the oxidation process by transferring oxygen atoms.

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The correct answer for the work done by winding up a hanging cable of length 12 ft and weight density 2 lb/ft is 144 ft/lb.

Consider that the entire hanging cable is lifted by 12 feet and there is weight of with weight density 2 pounds per feet .workdone by hanging

W = ∫2x dx from 0 to 12

W =144  ft/lb.

When a force moves something over a distance, work is done. The energy transferred, or work done, can be calculated by multiplying the force by the distance moved in the direction of the force. Work done = force x distance moved in the direction of the force = energy transferred.

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The answer for sub question A) calculate the percent uncertainty in the distance is 0.059%.

The answer for sub question B)  calculate the uncertainty in the elapsed time is 9,012 s

The answer for sub question C) what is the average speed in meters per second is 4.681 m/s

The answer for sub question D) what is the uncertainty in the average speed is 0.0032 m/s

To calculate the percentage of uncertainty of distance we have uncertainty = 25 m and distance = 42.188 km which is 42188 m.

Now [tex]\frac{25}{42188}[/tex] x 100% = 0.059%

To calculate time elapsed, we have the following data:

2hr which is 7200 s, 30 min which is 1800 s and 12 s

Adding these all up, we get 9012 s.

The average speed in m/s is calculated by 42188 m/ 9012 s = 4.681 m/s

The uncertainty in average speed is calculated by 4.681 m/s x [tex]\frac{0.059 + 0.01}{100}[/tex]

= 0.0032 m/s

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The complete question is A marathon runner completes a 42.188 km course in 2 h , 30 min, and 12 s . There is an uncertainty of 25 m in the distance traveled and an uncertainty of 1 s in the elapsed time. (a) Calculate the percent uncertainty in the distance. (b) Calculate the uncertainty in the elapsed time. (c) What is the average speed in meters per second? (d) What is the uncertainty in the average speed?

Magnitude charge creates electric field at a point 3.40m away is 4.11×1⁻⁹C

Electric field - It is defined as electric force per unit charge.

The direction of field is taken to be the direction of the force.

The electric field is outward from a positive charge and in towards negative point charge.

To calculate magnitude charge. Let us take electric field

E = Kq/r²

where

K = electric field constant

q = magnitude of charge

r = distance of separation

E = Kq/r²

Er² = Kq

q = Er²/K     -------1.

given values are

E =3.20 n/c

r = 3.40 m

q = 9.0 × 10⁹

using these values in equation 1 we get

q =  3.20N/C * (3.40 m)^2/9.0 × 10⁹

q = 4.11×1⁻⁹C

Magnitude charge that creates electric field at a point 3.40m away is 4.11×1⁻⁹C.

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Incidence is referred to as the frequency of new cases of a disorder in a given period of time.

The prevalence of an illness over a specific time period can be calculated using the incidence metric, which measures disease prevalence. In light of this, the incidence of a disease is the quantity of newly discovered cases. An illness' incidence rate is calculated by dividing the number of people at risk for the illness by the number of new cases of the illness. Out of 200 women who participated in the study (and who were free of breast cancer at the start of the study period), five would be diagnosed with breast cancer during the course of a year. In this case, the incidence of breast cancer in this cohort would be 0.025. (Or 2,500 per 100,000 study years among women)

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180,000 metirc tons of water fell on the city.

Since we need to know if we are referring to the body of water on a city or, for example, only a swimming pool, the region must be pertinent. The former would undoubtedly be far greater.

It is possible to conceptualize the amount of water that falls on the city as having dimensions.

2km x9km x1cm

200 000 cm x 900 000 x 1cm

= 1.8x10^11 cm^3

since 1km =10^3m and 1m =100cm

1 gram equals 10-3 kg.

Rainfall weighs 10^-3 kg per 1 cm^3 of water, or 1 gram.

1.8x10^11 x 10^-3= 1.8x10^8

ie 1.8x10^8kg

1 metric ton = 10^3kg so the weight of rainfall in metric tons is

1.8x10^8 / 10^3 = 1.8x10^5

ie 180,000 metirc tons

180,000 metirc tons of water fell on the city.

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the question you are looking for is

A heavy rainstorm dumps 1.0 cm of rain on a city 2 km wide and 9 km long in a 2 hour period.How many metric tons (1 metric ton = 10^3 kg) of water fell on the city? [ 1 cm^3 of water has a mass of 1 gram = 10^3 kg.]

The average speed of this trip is 15.72 m/s

Given:

speed = S1 = 50.0 km/h

speed = S2 = 60.0 km/h

time taken to travel with speed S1 = 1/3

time taken to travel with speed S2 = 2/3

To Find:

average speed of this trip

Solution:

distance 1 = speed x time = 50*1000/3600 x 1/3

= 4.62 m

distance 2 = 60*1000/3600 x 2/3 = 11.1 m

Average speed = total distance/total time

= 4.62 + 11.1 / 1 = 15.72 m/s

Hence, average speed is 15.72 m/s

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A message to travel from earth to a spacecraft at mars as its closest to earth is about 3.11 minutes.

To find the time, the given values are,

Distance = 56 million kilometers.

Here,

A message needs to be traveled to mars from earth and the distance between Earth and Mars (given) s = 56 million km

Speed of light = 3.00—10^5 km/ sec

As We know Velocity,

Velocity = distance / time

=> time = distance / velocity

Time taken t = 56 million km / 3.00—10^5

= 56 x 10^6 / 3 x 10^5

= 186.666 sec

Time taken t = 3.11 min.

So, the message to travel from earth to a spacecraft at mars as its closest to earth is about 3.11 minutes.

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The horizontal force Superman must apply to throw the boulder is 3670N.

According to Newton's Second law of motion,

Force F = Mass m * Acceleration a

We know that Weight W = Mass m * Gravity g

Given,

Weight W = 2400 N

Acceleration a = 15 m/[tex]s^{2}[/tex]

Gravitational force g = 9.81 m/[tex]s^{2}[/tex]

W = m * g

Mass m = 2400 / 9.81 = 244.65 kg

Horizontal force F = 244.65 * 15 = 3669.7 N

Newton's Second law of motion states that acceleration of an object depends on force acting on the object and mass of the object.

Therefore the horizontal force Superman must apply to throw the boulder is 3670N.

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Parfocal is the term used to describe a microscope that maintains focus when the objective lenses are replaced.

For observing minute features within a specimen sample, a high-powered objective lens, often known as a "high dry" lens, is perfect. You can see a very detailed image of the specimen on your slide thanks to the 400x total magnification that a high-power objective lens and a 10x eyepiece provide.

The four objective lenses on your microscope are for scanning (4x), low (10x), high (40x), and oil immersion (100x).

The first-stage lens used to create a picture from electrons leaving the specimen is referred to as the "objective lens." The objective lens is the most crucial component of the imaging system since the quality of the images is determined by how well it performs (resolution, contrast, etc.,).

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The largest number within three numbers is 42393 .

Solution,

First of all we have to take three numbers such as,

a: 29320 b: 41332 c: 42393

Enter three numbers: a: 29320 b: 41332 c: 42393

42393 is the biggest of all three numbers.

Taking algorithm of the above steps .

Algorithm:

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The participants whose reaction times are outliers are 242 and 868.

The mean/average value of the above values can be calculated by adding up all the values and dividing the result by 11.

Average Value = 242+483+486+491+494+500+505+506+507+868/11

The average/mean value comes out to be 505.

Thus, the reaction times which are far away from the average value of 505 are outliers.

Among the given values 242 and 868 are the only two values that deviate significantly from the average value as compared to other values.

Therefore, the participants whose reaction times are outliers are 242 and 868.

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The particle is positively charged

The potential difference between the 2 point through which the charged particle moves governs the movement of that particle. An electron moves from lower to higher potential which is negatively charged, and a positively charged particle moves  from higher to lower potential.

Now, since the particle is moving from a point A having 210 v potential to point B having 120 v potential that is it is moving from higher potential to a lower potential therefore the particle will be a positively charged one.

When a single charge is transported in an electric field, work is done by the potential difference (also known as electrical potential). There is potential energy stored in this charge that could flow when work is done on it. Voltage is the shortened form of potential difference and it is measured in volts (V). Voltage is the possibility of a single charge flowing. The need to flow increases with voltage.

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It is true that when graphically adding vectors in two dimensions, each vector arrow begins at the origin and proceeds in the direction of the vector for a distance proportional to the magnitude of the vector.

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Answer:

5108.7 m

Explanation:

23 m/s * 165 s = 3795 m

12 m/s * 285 =  3420 m

mag of resultant ( use pythag theorem)

sqrt  ( 3795^2 + 3420^2) = 5108.7 m

The collinear points are also known as coplanar but coplanar cannot be collinear all the time.

The difference between Collinear Points and Coplanar Points is that the former a states that if three or more points lies in a straight line  and a line on which the points lie, especially if it is related to a geometric figure such as triangle, is also called an axis while the latter are simply the same as the meaning of the Collinear but lies on the same plane.

Collinear points lie on the same line and  Coplanar points also lies in the same plane.

For example, we have a image which has 3 points A, B and C on the plane M. Those points and plane lies on the same line. So, that it can be known as collinear and coplanar.

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By Ohm's Law, the voltage across the circuit is D. 12 v.

We need to know about Ohm's Law to solve this problem. Ohm's Law describes the relationship between voltage and current. It can be determined as

V / I = R

where V is voltage, I is current and R is resistance.

From the question above, we know that

I = 0.5 A

R = 24 Ω

By substituting the following parameters, we can calculate the voltage

V / I = R

V = I x R

V = 0.5 x 24

V = 12 volt

Hence, the voltage is 12 volts.

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The intersection of the sphere with the yz- plane will be (y -z)² + (z- 5)² =7

A sphere is can be define as , a geometrical object that has a three-dimensional analogue to a two-dimensional circle. In a very simple word, i.e. a sphere is the set of points that are all at the same distance r from a given point in three-dimensional space.

We are given that ,

The center of sphere = (h, k, l) = (-3,2,5)

The radius of sphere = (r) = 4

Then the formula of the equation of sphere with radius r and center (h, k, l) is given as,

(x- h)² +(y - k)² + ( z -l)² = r²

So that putting the value of center of sphere (h, k, l) and radius (r) in above equation then we get,

(x- (-3))² +(y - 2)² + ( z -5)² = 4²

(x +3 )² +( y - 2)² + ( z -5)² = 16

Therefore, we can write the equation of intersection of the sphere with the yz- plane and putting (x = 0) in above equation then,

(0 +3 )² +( y - 2)² + ( z -5)² = 16

( y - 2)² + ( z -5)² = 16 - 9

( y - 2)² + ( z -5)² = 7

The intersection of the sphere with the yz- plane is, (y -z)² + (z- 5)² =7

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Sound travels faster in the air if the air temperature is warm

Everything comes down to the chemical composition of air and sound. Sound molecules travel faster through the air particles in warm air. So, at an air temp of 70°F at sea level, the scientific estimation of the sound speed is 767 mph. Sound, on the other hand, travels the fastest in warmer temperatures air. It moves at 740 miles per hour in subzero temperatures.

Although sound travels slower in cooler air temperatures, it can travel further. The waves are refracted from wallets of warm air and returned to the ground as a result. This sound wave then oscillates between cold and warm air and the surface, causing it to travel further.

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Answer:

Ernest Rutherford observed that particles with a positive charge deflected when passing through a thin sheet of gold foil, concluding that the atom's positive part is small and dense.

Explanation:

The Ernest Rutherford experiment describes planetary model of an atom. According to the model, an atom has a tiny, compact, positively charged centre called a nucleus, where almost all of the mass is concentrated, while light, negatively charged particles called electrons orbit far around it, much like planets orbit the Sun. In his experiment, the observation that a positive charge is deflected through a thin sheet of gold foil led to the conclusion that the deflection some of the positive charge occurs in a small region of the atom. At the same time, the majority passed through the atom (which was also concluded to be empty space).

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According to the research, the correct option is Aerobic exercise can last continuously for many minutes. It is the statement that correctly he can use to make in his description about aerobic exercise.

They are those physical activities that aim to burn fat using a high amount of oxygen.

In this sense, these exercises allow to improve the resistance of the person, they are not very intense but are developed in long periods, unlike anaerobic exercises that are more intense and brief.

Therefore, we can conclude that according to the research, the correct option is Aerobic exercise can last continuously for many minutes. It is the statement that correctly he can use to make in his description about aerobic exercise.

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Answer: Aerobic exercise can last continuously for many minutes.

Explanation:

Got it correct

Answer:

Fluorescent lamp with a 30 in its nomenclature indicates it produces light with a colour temperature of 3000k

Explanation:

A low-pressure mercury vapor gas discharge lamp called a fluorescent lamp or fluorescent tube employs fluorescence to create visible light. Mercury vapor is excited by an electric current in the gas, which generates short-wave UV rays that causes a phosphor coating on the inside of the lamp to glow. For a fluorescent lamp with 30 in to provide good rendition to warm colour, the colour temperature must be at least up to 3000k. The colour of light emitted by a hypothetical opaque, non-reflective substance at a specific temperature expressed in kelvins is known as colour temperature. Regardless of the temperature of other light sources, the colour of their light is classified using the colour temperature scale.

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The fast-moving ball will require a greater force to stop than the slow-moving ball of the same mass because the fast-moving ball has more acceleration than the slow-moving ball.

Newton's second law of motion states that "the magnitude of the force acting on an object is equal to the mass of that object and and the acceleration with which it moves.

In other words, the rate of acceleration with which a body moves is directly proportional to the force needed to stop it, and inversely proportional to the mass of the body. Thus, the faster an object moves, the greater the force that will be required to stop it.

That is why the fast-moving ball in the question needed a greater force to stop it than the slow-moving ball, even though they are of the same mass.

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Answer: 20mm/s

Explanation: Maximum displacement in shortest time....

A- The system's internal energy is constant since the temperature is constant. 0 deltas

B- the system receives no new or removed heat Q=0

C. Because the system's volume remains constant, it does not perform any work. 0 W=p delta v

An isothermal process in thermodynamics is a type of thermodynamic process where the system's temperature T remains constant: T = 0. A thermodynamic process known as adiabatic means that no heat is transferred into or out of the system. An isochoric process in thermodynamics is one in which the volume of the closed system experiencing the process remains constant. It is also known as a constant-volume process, isovolumetric process, or isometric process.

the complete question is :

For each of the following, which thermodynamic quantities (delta u, q, w) have values equal to zero?

A- an isothermal process

B- an adiabatic process

C- an isovolumetric process

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