JEE PHYSICS MCQ: SYSTEM OF PARTICLES

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Application +4 | -1

A 2 kg body and a 3 kg body are moving along the x-axis. At a particular instant the 2 kg body has a velocity of

3\;m{s^{ - 1}}

and the 3 kg body has the velocity of

2m{s^{ - 1}}

. The velocity of the centre of mass at that instant is

View answer and explanation

Correct option: D

None of these

Option D (None of these) is correct because the calculated velocity of the center of mass is 2.4 m/s, which is not among the provided options.

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\mathrm{AB}

\mathrm{L}

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x

\mathrm{A}

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\left(\frac{7}{12}\right) \mathrm{L}

\mathrm{A}

\mathrm{b}

1.0 \mathrm{~g}

8 \mathrm{~cm}

\omega = {t^4} + 2{t^3}

t = 1\,sec

\left( {rad\,{s^{ - 2}}} \right)