Q.

A satellite in force free space sweeps stationary interplanetary dust at a rate dM/dt=αw where M is the mass, v is the velocity of the satellite and a is a constant. What is the decceleration of the satellite?

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a

-2αv2/M

b

-αv2/M

c

+αv2/M

d

-αv2

answer is C.

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Detailed Solution

F=dpdt=vdmdt=αv2 a=FM =αv2M
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A satellite in force free space sweeps stationary interplanetary dust at a rate dM/dt=αw where M is the mass, v is the velocity of the satellite and a is a constant. What is the decceleration of the satellite?