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orH 81 west (d) 60° east of north.In the arrangement shown in figure (3-Q3), the ends Pand Q of an inextensible string move downwards withuniform speed u. Pulleys A and B are fixed. The massM moves upwards with a speed(a) 2u cos0 (b) ulcose (c) 2u/cose (d) ucose.Figure 3-Q3COR

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