Physics, asked by royjaya26, 8 months ago

A boy of mass 40 kg running at speed of 20m/s.What is the magnitude of energy possessed by the boy.

Answers

Answered by engelrocks9

1

Answer:

400J

Explanation:

if boy is running then KE will come in consideration..

KE= 1/2mvsquare

= 1/2*40*20

= 400 kgmpersec or 400J

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