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Three girls skatting on a circular ice ...

Three girls skatting on a 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 Fig . 4.20 . What is the magnitude of the displacement vector for each ? for which girl is this equal to the actual length of path skate ?

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400 m for each ; B
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NCERT TELUGU-MOTION IN A PLANE-EXCERCISES
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  2. Given a+b+c+d=0 , which of the following statements are correct (...

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  3. Three girls skatting on a circular ice ground of radius 200 m start...

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  16. A particle starts from the origin at t=0 s with a velocity of 10.0hatj...

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  17. hatiandhatj are unit vectors along x - and y- axis respectively . What...

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  18. For any arbitrary motion in space , which of the following relations a...

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  19. Read each statement below acrefully and state , with reasons and exam...

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  20. An aircraft is flying at a height of 3400 m above the ground . If th...

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