Four girls skating on circular ice ground of radius 200 m start from a point P on the edge of the ground and reach a point Q diametrically opposite to P following different paths as shown in figure. For which girl displacement is equal to the actual length of path?

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Solution

The correct option is B C
Displacement of each girl = $\to P Q$
Magnitude of displacement for each girl= $| \to P Q | = 2 \times 200 m = 400 m$
For girl C, displacement $=$ actual length of path.

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Four girls skating on circular ice ground of radius 200 m start from a point P on the edge of the ground and reach a point Q diametrically opposite to P following different paths as shown in figure. For which girl displacement is equal to the actual length of path?

The correct option is B CDisplacement of each girl = →PQ Magnitude of displacement for each girl= |→PQ|=2×200m=400mFor girl C, displacement = actual length of path.

The correct option is B C
Displacement of each girl = $\to P Q$
Magnitude of displacement for each girl= $| \to P Q | = 2 \times 200 m = 400 m$
For girl C, displacement $=$ actual length of path.