https:/img.zuoyebang.cc/zyb_87e300503d42063ee146c5f7b5fa89b6.jpg-|||-α-|||-A-|||-ō x如图所示,A、B两物体由一长为l的刚性细线相连,A、B两物体可在光滑轨道上滑行.如物体A以恒定的速率v向左滑行,当α=60°时,物体B的速率为多少?

菁优网如图所示,A、B两物体由一长为l的刚性细线相连,A、B两物体可在光滑轨道上滑行.如物体A以恒定的速率v向左滑行,当α=60°时,物体B的速率为多少?

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