Sarthaks Test
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In a straight line motion, the distance travelled is proportional to the square root of the time taken. The acceleration of the particle is proportional to:-

A. velocity    B. v2    C. v3    D. v1/2 

1 Answer

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Best answer

We know that 

distance x ∝ t½

velocity v = dx/dt ∝ ½ t−½,

acceleration a = dv/dt ∝ ½ (−½) t−3/2,

Therefore a ∝ v3.

Hence, the correct answer is (C)

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Thanks, it was very useful

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