JEE Main Physics question
Which of the following are true? (i) A body having constant speed can have varying velocity. (ii) Position–time graphs for two objects with zero relative velocity are parallel. (iii) The numerical ratio of velocity to speed of an object can never be more than one.
Answer: (C)
Solution
(i) is true — e.g. uniform circular motion has constant speed but continuously changing velocity direction. (ii) is true — equal (including zero relative) velocity means equal slopes on an –
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