If the body covers one-third distance at speed v 1 , next one third at speed v 2 and last one third at speed v 3 , then average speed will be

The correct answer is D. \(V_{av} = \frac{\kappa}{\frac{x}{V_1} + \frac{x}{V_2} + \frac{x}{V_3}} = \frac{3 V_1 V_2 V_3}{V_1 V_2 + V_2 V_3 + V_1 V_3}\)

If the body covers one-third distance at speed v 1 , next o…

Physics Motion in a Straight Line Mix Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: September 12, 2026

If the body covers one-third distance at speed v ₁ , next one third at speed v ₂ and last one third at speed v ₃ , then average speed will be

\(\frac{t_1 t_2 + t_2 t_3 + t_1 t_3}{t_1 + t_2 + t_3}\)

\(\frac{x^6 + \frac{1}{2} + \frac{1}{3}}{3}\)

r_1 r_2 r_3 \\ r_1 r_2 + r_2 r_3 + r_3 r_1

3v_1 u_2 v_3 u_1 v_2 + u_2 v_3 + u_3 v_1

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The correct answer is:

\(V_{av} = \frac{\kappa}{\frac{x}{V_1} + \frac{x}{V_2} + \frac{x}{V_3}} = \frac{3 V_1 V_2 V_3}{V_1 V_2 + V_2 V_3 + V_1 V_3}\)

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