bella29292809 bella29292809

18-08-2021
Physics

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A 25g rock is rolling at a speed of 5 m/s. What is the kinetic energy of the rock?

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moithobane63 moithobane63

18-08-2021

Answer:

The answer is 312.5j

Explanation:

The kinetic energy (KE):

KE=1/2*m*v^2

M= mass of the object

v= velocity of the object

We have;

m=25g

v=5m/s

KE=1/2*25g*5^2m/s

KE =312.5j

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