Question: A constant power p is applied to a car starting from rest. If v is the velocity of the car at time t, then
(A) 𝑣 ∝ 𝑡
(B) 𝑣 ∝ \dfrac{1}{t}
(C) 𝑣 ∝ \sqrt{t}
(D) 𝑣 ∝ \dfrac{1}{\sqrt{t}}
Answer: Option (C)
Solution:
A constant power p is applied to a car starting from rest. If v is the velocity of the car at time t, then
with
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