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A particle of mass m is thrown horizonta...

A particle of mass `m` is thrown horizontally from the top of a tower and anoher particle of mass `2m` is thrown vertically upward. The acceleration of centre of mass is

A

g

B

`(9g)/(3)`

C

`(2g)/(3)`

D

`(g)/(2)`

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The correct Answer is:
A
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