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## MCQ (More than One Correct Answer)

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A particle is moving in x-y plane according to $$\overrightarrow r = b\cos \omega t\widehat i + b\sin \omega t\widehat ... WB JEE 2022 The potential energy of a particle of mass 0.02 kg moving along X-axis is given by V = Ax (x$$- 4) J, where x is in m...
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The kinetic energy (Ek) of a particle moving along X-axis varies with its position (X) as shown in the figure. The force...
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A block of mass m slides with speed v on a frictionless table towards another stationary block of mass m. A massless spr...
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Consider an engine that absorbs 130 cal of heat from a hot reservoir and delivers 30 cal heat to a cold reservoir in eac...
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