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
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
Similar questions