1. A body moving along a circular track of radius R completes one rotation in 2 seconds. Its average velocity in 2 second is ___m/s.
(i) 0
(ii) 2
(iii) 3
(iv) 10
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1. A body moving along a circular track of radius R completes one rotation in 2 seconds. Its average velocity in 2 second is ___m/s.
(i) 0
(ii) 2
(iii) 3
(iv) 10
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Displacement is the shortest distance travelled from the initial point to the final point. After half revolution the displacement is the length of the diameter which is equal to 2r. Hence the displacement is 2r.
Answer:
Option-i(0)
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