Question
A ball of mass 1kg , moving with a velocity of 0.4m / s collides with another stationary ball. After the collision, the first ball moves with a velocity of 0.3m / s in a direction making an angle of of 90° with its initial direction. The momentum of second ball after collision will be (in kg-m/s)
Options :
0.1
0.3
0.5
0.7
Answer :
0.5
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