Question

The momentum of a body of mass 16kg with kinetic energy 2J is______kg m/s.

Answer 1

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Answer 2

Answer

Given:mass(m)=2kg, momentum(p)=2Ns

we know; p=mv

v= mp

v=1ms −1

Kinetic energy (K.E) = 21 mv 2,

K.E= 21pv

K.E= 21 ×2×1

K.E=1J