Question

4.A particle is moving in a circular path of radius r. The displacement after half a circle would be:
a) u/g
b) u'/2g
c) u/g
d) u/29​

Answer 1

Answer:

Given, after half the circle, the particle will reach the diametrically opposite point i.e., from point A to point 6. And we know displacement is shortest path between initial and final point. Hence, the displacement after half circle is 2r.

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