Question

A body of 2kg fall from rest find kinetic energy at end of 2 seconds .​

Answer 1

Answer:

Given,

mass of body =2kg

time taken =2s

we know

v=gt

v=10×2

v=20m/s

K.E=

2

1

mv

2

=1/2×2×20×20=400J

So, kinetic energy of body =400J

Explanation:

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