NEET Physics Mathematical Tools Questions Solved

A motor boat of mass m moving along a lake with velocity V0. At t=0, the engine of the boat is shut down. Magnitude of resistance force offered to the boat is equal to rV. (V is instantaneous speed). What is the total distance covered till it stops completely? Hint: Fx=mVdVdx=-rV

(A)  mV0/r

(B)  3 mV0/2r

(C)  mV0/2r

(D)  2mV0/r

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