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A ball P of mass 2kg undergoes an elasti...

A ball P of mass `2kg` undergoes an elastic collision with another ball Q at rest. After collision, ball P continues to move in its original direction with a speed one-fourth of its original speed. What is the mass of ball Q ?

A

0.9 kg

B

1.2 kg

C

1.5 kg

D

1.8 kg

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The correct Answer is:
B
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