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Priya Gorakshnath Anandkar Grade: 12
          


A child of mass m sits in a swing of negligible mass suspended by a rope of length l. Assume that the dimensions of the child are negligible compared with l.
His father pulls the child back until the rope makes an angle of one radian with vertical, then pushes with a force F=mg along the arc of the circle releasing at the vertical :
a) How high up will the swing go?
b) How long did the father push?



6 years ago

Answers : (1)

Aman Bansal
592 Points
										

DEAR PRIYA,


THE SWING WILL MOVE UP BY 1 RADIANS AGAIN IN CASE OF IDEAL SITUATION (IF NEGLECTING AIR RESISTANCE AND ALL )


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AMAN BANSAL

6 years ago
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