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Question: If two balls each of mass 0.06 kg moving in opposite directions with speed 4 m/s collide and rebound...

If two balls each of mass 0.06 kg moving in opposite directions with speed 4 m/s collide and rebound with the same speed, then the impulse imparted to each ball due to other is

A

0.48 kg-m/s

B

0.24 kg-m/s

C

0.81 kg-m/s

D

Zero

Answer

0.48 kg-m/s

Explanation

Solution

Impulse = change in momentum

= 2 mv

=2×0.06×4=0.48 kg m/s2 \times 0.06 \times 4 = 0.48 \mathrm {~kg} \mathrm {~m} / \mathrm { s }