In uniform circular motion, which of the following quantities are constant: speed, instantaneous velocity, tangential velocity, radial acceleration, tangential acceleration? Which of these quantities are zero throughout the motion?

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Physics

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13 March, 10:49

In uniform circular motion, which of the following quantities are constant: speed, instantaneous velocity, tangential velocity, radial acceleration, tangential acceleration? Which of these quantities are zero throughout the motion?

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Dorian Horne · Answer 1

Only speed remains constant in uniform circular motion and tangential acceleration is zero. Magnitude of instantaneous velocity is constant but it's direction changes hence it's rejected. The same goes for radial acceleration.