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A rocket consumes 20 kg fuel per second the exhaust gases escape at a speed of 1000m/s relative to the rocket calculate the upthrust received by the rocket also calculate the velocity acquired when it's mass is 1/100 of the initial mass

A rocket consumes 20 kg fuel per second the exhaust gases escape at a speed of 1000m/s relative to the rocket calculate the upthrust received by the rocket also calculate the velocity acquired when it's mass is 1/100 of the initial mass

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Grade:11

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
576-68_IMG_20200321_200927.jpg
Vikas TU
14149 Points
4 years ago
Dear student 
upthrust = mv/t
= 20×1000 = 20000 N
1/100 of initial mass = 20/100 kg/sec
therefore,
velocity = 20000×100/20 = 100000 m/sec
Good Luck 

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