When any body moves in a circular path while making 30 degrees from center it covers 4 meters. What is the 1. Total distance travelled in one complete round? 2. Displacement in half of journey
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Correct option is
2r
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.
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