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Grade: 11
        
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
2 months ago

Answers : (2)

Saurabh Koranglekar
askIITians Faculty
6852 Points
							576-68_IMG_20200321_200927.jpg
						
2 months ago
Vikas TU
11139 Points
							
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 
2 months ago
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