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castortr0y [4]
3 years ago
9

Calculate the potential energy stored in a metal ball of a mass of 80 kg kept at a height of 15m from the earth surface.What wil

l be the potential energy when the metal ball is kept on the earth surface.​
Physics
2 answers:
True [87]3 years ago
6 0

Answer:

39200 joules

the potential energy will be zero

Explanation:

we know that potential energy is found by multiplying mass, acceleration due to gravity and height from the Earth's surface

so it will be

potential energy= mgh

80x9.8x15

= 39200 joules

the potential energy of the mental ball will be zero when kept on the Earth's surface because the height from the Earth's surface will be zero and zero multiplied to any number is zero only

I have a doubt with the second one, this is what I think it is. Consult your teacher if you think my answer for the second one is wrong

Leviafan [203]3 years ago
3 0

Answer:

392000 joules

Explanation:

hope it helpsss

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