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CBSE Class 9 Answered

A particle is moving in a circle of diameter 5m. Calculate the distance covered and the displacement when it competes 3 revolutions.
Asked by himeshboora.in | 23 Dec, 2020, 10:41: AM
Expert Answer
After 3 revolutions , if particle is coming back to same starting point , then displacement is zero
 
Distance covered in 3 revolutions = 3 × 2πR = 3 × 2π × 5 = 94.25 m
Answered by Thiyagarajan K | 23 Dec, 2020, 11:18: AM
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