Science, asked by 8587086886pinki, 6 months ago

Certain force acting an a
20 kg mass charges its
velocity from 5ms5- 1 to 2 m5-1, Calculate the
emork done by the force

Answers

Answered by luk3004

0

According to energy conservation rule :

Work done=Change in kinetic energy

So, Workdone= 1/2*20*(25-4)J

= 210 J

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