Question

NS
1. A body is moving along a circular path of radius R. What will be the distance covered and the
displacement of the body after half a revolution?
(1) R () 2R]
2. A person starts from his house and travels a circular distance of 15 km around the walled city before
returni
h​

Answer 1

If he goes half of the circular path the he will reach the diameter of the circular path so the displacement will be the the diameter of the circle. so, the diameter of the circle is 2R.

The distance will be the half of circumference,

which is 2πR/2.

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