Physics, asked by rovenz, 3 months ago

certain force acting on a 20 kg mass changes its velocity from 7 m/s to 3m/s. calculate the work done
pls do fast

Answers

Answered by sk515162662
0

Answer:

160 joule

Explanation:

i hope this is useful for you

Answered by mundadasachin
0

Explanation:

Certain force acting on 20 kg mass changes its velocity from 5 m s-1 to 2 m s-1. Calculate the work done by the force. (E k)2 = (1 )/2x 20 — (2)2 = 40 J.

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