Question's below
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
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2 Answers
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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