Question

9.
A particle is moving in a circular path of radius
R, what will be the displacement after half a circle?​

Answer 1

Explanation:

the distance travelled is simply half the circumference of the circle Pi R the displacement is the the change in positions of the object usually expressed as vector however the magnitude of the displacement is simple this is the straight line distance from the starting point to the end point which is just 2R

Answer 2

Answer:

2r ..

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