Laws Of Motion Question 270

Question: A satellite in force-free space sweeps stationary interplanetary dust at a rate dM/dt=αv where M is the mass, v is the velocity of the satellite and α is a constant. What is the deacceleration of the satellite[CBSE PMT 1994]

Options:

A) 2αv2/M

B) αv2/M

C) +αv2/M

D) αv2

Show Answer

Answer:

Correct Answer: C

Solution:

F=dpdt=v (dMdt)=αv2 a=FM=αv2M



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