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Question

Mass of spacecraft varies with time as m=5000 et kg. Find the rate of fuel ejection after 5 s. (Take e=2.718)


Your Answer
A
23.7 kg/s
Correct Answer
B
33.7 kg/s
Your Answer
C
337 kg/s
Your Answer
D
237 kg/s

Solution

The correct option is B 33.7 kg/s
Given, m=5000 et
Rate of fuel ejection (μ)=dmdt
μ=dmdt=5000 et
μ=5000e5=33.7 kg/s

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