Question

the momentum of a body of mass 100 gram having a kinetic energy of 20 joule is​

Answer 1

K.E. =20J

1/2mv^2=20

mv^2=40

v^2=400. °•°[ mass,m=100g=.1kg]

•°•v=20m/s

Momentum,p=mv=.1×20=2

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