A car moves on a circular road, describing equal angles about the centre in equal intervals
of times. Which of the statements about the velocity of car is true?
(a) velocity is constant
(b) magnitude ofvelocity is constant but the direction ofvelocity change.
(c) both magnitude and direction ofvelocity change
(d) velocity is directed towards the centre of circle
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Answer:
Answer (b) magnitude ofvelocity is constant but the direction ofvelocity change.
Explanation: As body cover equal angle in equal time interval. it's angular velocity and hence magnitude of linear velocity is constant....
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