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NEET UG PHYSICS MCQ: WORK-ENERGY-POWER

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A particle of mass m is moving in a circular path of constant radius r such that its centripetal acceleration 

{a_c}

  is varying with time as

{a_c} = {k^2}r{t^4},

, where k is a constant. The power delivered to the particle by the forces acting on its is

View answer and explanation

Correct option: D

2m{k^2}{r^2}{t^3}

Option D (

2m{k^2}{r^2}{t^3}

) is correct because it is derived from calculating the tangential force and then the power delivered to the particle.

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