Question

find the mass of the body which has 5j of kinetic energy while moving at a speed of 2m/s

Answer 1

ke=1/2mv square
5j=1/2m*4
5j=m*2
m=5/2=2.5kg
2.5kg is the answer ....hope it helps you

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Answer 2

Answer:

ke=1/2mv square

5j=1/2m*4

5j=m*2

m=5/2=2.5kg

2.5kg is the answer

Explanation:

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