Question

A ball of mass 400 G Rolls and around with a uniform speed of 25 metre per second find the kinetic energy possessed by it

Answer 1

ke=½ mv²
=½×0.4×25×25
=1250/10
125joule

Answer 2

K E= 1/2mv2

so, mass=400g
v=25m/sec

K E =1/2×400×25
=5000 J and

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