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dybincka [34]
3 years ago
11

To remove 700 j of heat from a refrigerator, the compressor in the refrigerator does 500 j of work. How much heat is released in

to the surrounding room
Physics
1 answer:
Vinvika [58]3 years ago
7 0
If the compressor removes 500 j if the 700 the 200 j left would have Ben conducted through the refrigerator/200 j released into the room
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A truck covers 47.0 m in 8.60 s while smoothly slowing down to final speed of 2.30 m/s. (a) Find its original speed.
Kruka [31]

Explanation:

Given that,

Distance, s = 47 m

Time taken, t = 8.6 s

Final speed of the truck, v = 2.3 m/s

Let u is the initial speed of the truck and a is its acceleration such that :

a=\dfrac{v-u}{t}.............(1)

Now, the second equation of motion is :

s=ut+\dfrac{1}{2}at^2

Put the value of a in above equation as :

s=ut+\dfrac{1}{2}\times \dfrac{v-u}{t}\times t^2

s=\dfrac{t(u+v)}{2}

u=\dfrac{2s}{t}-v

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3 years ago
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True: All matter on earth is made up of atoms.

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If an ice skater with a mass of 50 kg was accelerating at 10 m/s and is on her way to hit a
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500N

Explanation:

Given parameters:

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Unknown:

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Solution;

Force is a push or pull on a body. it is given as the product of mass and acceleration:

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    Input the parameters:

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She hits the wall with a force of 500N

Learn more:

Force brainly.com/question/3820012

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