In a two dimensional motion, instantaneous speed v₀ is a positive constant. Then which of the following are necessarily true?

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The acceleration of the particle is necessarily in the plane of motion

The particle must be undergoing a uniform circular motion

The acceleration of the particle is zero

The acceleration of the particle is bounded

answer is C.

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Detailed Solution

This motion is two dimensional and given that instantaneous speed is positive constant. Acceleration is defined as the rate of change of velocity (instantaneous speed), hence it will also be in the plane of motion.

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