If the velocity of a particle is (10 + 2 t 2 ) m/s , then the average acceleration of the particle between 2s and 5s is

If the velocity of a particle is (10 + 2 t 2 ) m/s , then t…

Physics Motion in a Straight Line Mix Single Correct MCQ

Published on: September 12, 2026

If the velocity of a particle is (10 + 2 t ² ) m/s , then the average acceleration of the particle between 2s and 5s is

\(2\,\mathrm{ms}^{-2}\)

\(4 \, \mathrm{m s}^{-2}\)

\(12\,m\,s^{-2}\)

\(14\,m\,s^{-2}\)

Text Solution

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The correct answer is:

Average acceleration \(- \frac{\text{Change in velocity}}{\text{Time taken}}\) \(= \frac{v_2 - v_1}{t_2 - t_1}\) \(\frac{10 + 2(5)^2}{3} - \frac{10 + 2(2)^2}{3} - \frac{60 - 18}{3}\) \(=14\,m/s^{2}\) .

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