new new new new (id: 4e71eb831)

本题目来源于试卷: new new new new，类别为 IB物理学

[问答题]
A flat puck (mass M )ofo759r u3hv.t xetnar5iv ,+ is rotausz m f +ts)o(pc(6:bxted in a circle on a frictionless air-hockey tabletop, and is held in this orbit by a light cord connected to a danglingxcbo+: us(m)tp s6( fz block (mass m ) through a central hole as shown in Fig. 5-
36. Show that the speed of the puck is given by

$v=\sqrt{\frac{m g R}{M}}$

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