Question

A ball of mass 'm' is moving with a velocity of 10 m/sec. It strikes
an identical ball which is stationary. After collision one ball moves
with a speed of 5 m/sec at an angle of 60' from the original direction
of motion, calculate the velocity of other ball.​

Answer 1

Answer:

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Explanation:

Answer

Conserving momentum in X - direction

m×2.2=1.1×m×cos60+vcosθ×m2.2=21.1+vcosθ23.3=vcosθ

Similarly in Y - direction

vsinθ=1.1sin60

vsinθ= 21.1 3

from (1) & (2)

v= 3.9(1.1)m/sθ=30