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1/2 * 40 *402
Use k =1/2mv2
Then u will get ans 32000
here mass =40kgs
velocity=40m/s
by formula=0.5*40*40*40
=32000
given,mass=40kg
velocity=40m/sec
from the formula of kinetic energy 1/2mv^2 =1/2*40*40^2=32000kg.m/s^2
ans;32000,kinetic energy=1/2mv2=1/2*40*40*40
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