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3 years ago

9

If these gas molecules were compressed further, how would the average kinetic energy of the molecules be affected? A. It would i

ncrease. B. It would decrease. C. It would change constantly. D. It would remain exactly the same

1 answer:

Advocard [28]3 years ago

8 0

I believe the correct response would be B. It would decrease.

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NEED HELP ASAP!! Will give Brainliest.

olga2289 [7]

a. 25 joules of work is done by the object.

Explanation:

According to the work-energy theorem, the work done ON an object is equal to the change in kinetic energy of the object, therefore:

$W=K_f -K_i= \frac{1}{2}mv^2-\frac{1}{2}mu^2$

where

$K_f = \frac{1}{2}mv^2$ is the final kinetic energy of the car, with

m = 2 kg being the mass of the car

v = 0 is the final speed of the car (brought to rest)

$K_i = \frac{1}{2}mu^2$ is the initial kinetic energy of the car, with

u = 5 m/s being the initial speed of the car

Substituting numbers, we find:

$W=\frac{1}{2}(2)(0)^2 - \frac{1}{2}(2)(5)^2=-25 J$

The negative sign means that the work done ON the car is negative: this means therefore that the work has been actually done BY the car. In fact, the car has lost its kinetic energy: this means that it has done work on the surrounding, converting its kinetic energy into other forms of energy.

Learn more about work and kinetic energy:

brainly.com/question/6763771

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brainly.com/question/6536722

#LearnwithBrainly

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4 years ago

1. Which diagram shows the correct pattern of light rays through a concave lens?

vaieri [72.5K]

The one of and eye at some point the light rays will cross and produce an upside down image

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3 years ago

Which part of the brain is responsible for laying down new memories

Harlamova29_29 [7]

Answer:

Hippocampus

Explanation:

Hippocampus. The hippocampus, located in the brain's temporal lobe, is where episodic memories are formed and indexed for later access.

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4 years ago

Read 2 more answers

Hot water is poured into a mug and the mug gets hot. This is an example of which type of energy transfer?

Korolek [52]

The answer is B: Conduction

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3 years ago

give an example of how someone may be misjudged about their athletic ability due to diversity in sports (age,ethnicity,gender et

Ipatiy [6.2K]

Here is just a few:

1. white guys cant jump like black guys therefore white guys shouldn't play basketball
2. men are stronger than women so men should weight lift
3.football is a manly sport therefore woman should not play it

*hope this helps(these are just examples I am not expressing my beliefs

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4 years ago