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A rocket of mass 20kg has 180 kg of fuel...

A rocket of mass 20kg has 180 kg of fuel. The exhaust velocity of fuel is 1.6 km/sec. Calculate the ultimate velocity of the rocket gained, when the rate of consumption of the fuel is 2kg/sec. (neglect gravity)

A

3.7 km/sec

B

2 km/sec

C

10 km/sec

D

5 km/sec

Text Solution

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The correct Answer is:
A
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