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Plz solve this problem whose diagram and mcq options are in the attached image. Determine the speed with which block B rises in figure if the end of the cord at A is pulled down with a speed of 2m/s.

Plz solve this problem whose diagram and mcq options are in the attached image. 
Determine the speed with which block B rises in figure if the end of the cord at A is pulled down with a speed of 2m/s.

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Grade:12th pass

1 Answers

Vikas TU
14149 Points
4 years ago
Hiii Va +2Vb-2Vc =0and Vb + Vc = 0we get Vc = -Vb Substitute this vlue in equation we get Vb = – 0.5 m/s

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