The distance travelled by a particle is related to time t as x = 4t². The velocity of the particle at t=5s is:- (a) 25 ms⁻¹ (b) 20 ms⁻¹ (c) 8 ms⁻¹ (d) 40 ms⁻¹

Answer: (d). v = dx/dt = 8t At t = 5 s: v = 40 m/s So the answer is (d) 40 ms⁻¹.

The distance travelled by a particle is related to time t as x = 4t²… | JEE Main 2023 (25 Jan, Shift 2)

Q20JEE Main 2023 · 25 JAN · SHIFT 2Easy

Velocity, Acceleration & Variable Motion

The distance travelled by a particle is related to time t as $x = 4t^2$ . The velocity of the particle at t=5s is :-

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Answer: (d)

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