Question

Kinetic energy of a body of mass 3kg ,having a momentum of 9kg ms ,is

Answer 1

hi
Momentum = mass ×velocity
9 = 3× v
3=v
So velocity of particle is 3 m/s
Kinetic energy=1/2m×vsquare
1/2×3×3×3
9×3/2
27/2
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