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NEET UG PHYSICS MCQ: MOTION IN A STRAIGHT LINE

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The velocity of a particle depends upon the time

\mathrm{t}

according to the equation:

\mathrm{v}=\sqrt{\mathrm{a b}}+\mathrm{b t}+\frac{\mathrm{c}}{\mathrm{d+t}}

. The physical quantities which are represented by

\mathrm{a, b, c}

and

\mathrm{d}

, are in the following order:

View answer and explanation

Correct option: B

Distance, acceleration, distance, time

Option B (Distance, acceleration, distance, time) is correct because, based on dimensional analysis, 'a' must represent distance, 'b' must represent acceleration, 'c' must represent distance, and 'd' must represent time to maintain consistent units for velocity.

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150 \mathrm{~m}

behind it starts from rest with an acceleration of

2 \mathrm{~ms}^{-2}

. 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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and the last one third at a speed of

{V_3} = 60\,kmph

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