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Fawz Naim Grade:
        

X and Y are two identical masses at rest, suspended by an inextensible string passing over a smooth frictionless pulley. Particle X is given a push downwardswith a speed u. It collides with the floor and rebounds.


a- both masses move before collision


b- X and Y move with the same speed u in opposite directions before colision


c- X and Y move upward with same speed


d- X and Y move upwards with different speedsafter collision

6 years ago

Answers : (1)

Chetan Mandayam Nayakar
312 Points
										

a) is obviously correct


b)is also correct


c)is wrong


d)is correct

6 years ago
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