Suppose the thrust force of a rocket varies with time t as F = 250(3t – McqOptions

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1.	Suppose the thrust force of a rocket varies with time t as F = 250(3t2 + 2t). Then find out the total impulse for a burn duration of 4s.
A.	10000 Ns
B.	20000 Ns
C.	40000 Ns
D.	80000 Ns
Answer» C. 40000 Ns

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