Question

7.
(A)s=ut' + kr
(D) S ul (10)
A motor boat of mass m moves along a lake with velocity V,. Att = 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
dV
is the total distance covererd till it stops completely? [Hint : F(x) = m V dx =-rV]
(A)mV/r
(B) 3 mV/28 (C)mV,/2r (D) 2 mV/r​

Answer 1

Answer:

d

Explanation:

v is equal to att into r