archariel4423 archariel4423

18-11-2022
Mathematics

contestada

Two carts, A and B, are connected by a rope 39 ft long that passes over a pulley P. The point Q is on the floor 12ft directly beneath P and between the carts. Cart A is being pulled away from Q at a speed of 2ft/s. How fast is cart B moving toward Q at the instant when cart A is 5ft from Q

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