A body moves on three quarters of a circle of radius r . displacement and distance travelled by it a

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7. MOTION

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A body moves on three quarters of a circle of radius $r .$ The displacement and distance travelled by it are

A

displacement $=r,$ distance $=3 r$

B

distance $=2 r,$ displacement $=\frac{3 \pi r}{2}$

C

displacement $=\sqrt{2} r,$ distance $=\frac{3 \pi r}{2}$

D

displacement $=0,$ distance $=\frac{3 \pi r}{2}$

Solution

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Standard 9

Science

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