Math, asked by 9708254521harshit123, 5 months ago

find the momentum of a body of mass 100g having kinetic energy of 20 J

Answers

Answered by tigershroff221

2

Answer:

Step-by-step explanation:

K.E=1/2(mv2)

m=100g=.1kg

k.E=20 J

so, 20=1/2 x0.1xv2

40=0.1xv2

400=v2

V=20m/s

Momentum ,p=mv

So, p=0.1kg x20 m/s

=2kgm/s

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