9) A rocket has total mass 1000 kg with fuel of 900 kg, It ejects fuel at the rate of 1 kg/swin exhaust velocity of 2 km/s relative to rocket. The maximum velocity attained by rocket 17) A) 2.3 km/s B) 4.6 km/s C) 2 km/s D) 4.6log10 () km/s The man 200 A the.
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Answer:
According to conservation of momentum,mrvr+mfvf=(mf+mf)vcom
=>1000×1+900×2=(1000+900)vcom
=>vcom=1.47km/sec
Explanation:
According to conservation of momentum,mrvr+mfvf=(mf+mf)vcom
=>1000×1+900×2=(1000+900)vcom
=>vcom=1.47km/sec
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