Question:
In a two dimensional motion, instantaneous speed v0 is a positive constant. Then which of the following are necessarily true?
(a) the acceleration of the particle is zero
(b) the acceleration of the particle is bounded
(c) the acceleration of the particle is necessarily in the plane of motion
(d) the particle must be undergoing a uniform circular motion
Solution:
The correct answer is (d) the particle must be undergoing a uniform circular motion
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