Science, asked by abhijeetrawat97, 6 months ago

a force acting on a 20 k g mass change it velocity from 5m/s to 2m/s calculator the force

Answers

Answered by TaniyaSaharawat
1

Answer:

Initial velocity =5(u)

Final velocity =2(v)

From work energy theorem

W=K*E

W=1/2mv2-1/2mu2

W=1/2×20×2(2)-1/2×20×5(5)

W=-210j

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