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Two spacemen A and B are floating is gra...

Two spacemen A and B are floating is gravity free space with zero velocity relative to each other. "A" has a mass of 120 kg and "B" has a mass of 90kg which includes a 5 kg radio box. "B" throws the box towards "A" with a velocity of 2m/x and A catches it. The change in velocity of each one is

A

`v_(A) = 11.8 cm//s, v_(B) = 8 cm//s`

B

`v_(A) = 8 cm//s, v_(B) = 11.8 cm//s`

C

`v_(A) = 10 cm//s, v_(B) = 10 cm//s`

D

`v_(A) = 9 cm//s,v_(B) = 12 cm//s`

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The correct Answer is:
B
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