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A rocket of initial mass 6000kg ejects m...

A rocket of initial mass 6000kg ejects mass at constant rate of 200 kg/sec. with constant relative speed of 800 m/sec. The acceleration of the rocket after 5 sec is (neglect gravity)

A

`50 m//s^(2)`

B

`16 m//s^(2)`

C

`60 m//s^(2)`

D

`32 m//s^(2)`

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The correct Answer is:
D
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