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After perfectly inelastic collision betw...

After perfectly inelastic collision between two identical balls moving with same speed in different directions, the speed of the combined mass becomes half the initial speed. Find the angle between the two before collision.

A

`60^(@)`

B

`45^(@)`

C

`120^(@)`

D

`30^(@)`

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DC PANDEY ENGLISH-CENTRE OF MASS, IMPULSE AND MOMENTUM-Comprehension type questions
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