Question

a body of mass 1 kg moving with velocity of 4 m/s collides with a body of mass 0.5 kg moving with a velocity 2m/s

help please ​

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

Correct option is

A

5

As the momentum should be conserved the second ball will have a momentum of 4 kgm/s in the original direction and 3kgm/s in the direction opposite to the first ball after collision.

Therefore the net momentum will be M= √4^2+3^2 =5kgm/s