NEET UG PHYSICS MCQ: MOTION IN A STRAIGHT LINE

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A particle covers half of its total distance with speed

{v_1}

and the rest half distance with speed

{v_2}

. Its average speed during the complete journey is

View answer and explanation

Correct option: D

\frac{{2{v_1}{v_2}}}{{{v_1} + {v_2}}}

Option D (

\frac{{2{v_1}{v_2}}}{{{v_1} + {v_2}}}

) is correct because the average speed is calculated by dividing the total distance by the total time, considering different speeds for each half of the distance.

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. After how much time, the car catches up with the scooter? A motor vehicle travelled the first one third of a distance ‘S ’ at a speed of

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