Physics, asked by nuhanishad08, 1 month ago

What force acting on a mass of 20 kg for one minute can change its velocity from 10 m/s to 50 m/s ?

Pls answer the question if 100% sure about it!!!

Answers

Answered by dc7090456
1

Answer:

Given :          Initial velocity     u=5  m/s

                      Final velocity     v=2  m/s

The work done is equal to the change in the kinetic energy of an object.

W=21m(v2−u2)

W=21×20×(22−52)

⟹W=−210 J

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