Momentum and CollisionHard
Question
A smooth sphere A of mass elastically with an identical sphere B at rest. The velocity of A before collision is 8 m/s in a direction making 60o with the line centers at the time of impact.
Options
A.The sphere A comes to rest after collision
B.The sphere B will move with a speed of 8 m/s after collision.
C.The direction of motion A and B after collision are at right angles.
D.The speed of B after collision is 4 m/s.
Solution
Component of velocity A long common normal is v cos 60o and this velocity of A after collision with A is interchange. Hence A moves along v sin 60o which is normal to common normal
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