Posted by Greg on Tuesday, November 13, 2012 at 5:19pm.
. An air puck of mass 0.250 kg is tied to a string
and allowed to revolve in a circle of radius
1.00m on a frictionless horizontal table. The
other end of the string passes through a hole in
the center of the table, and a mass of 1.00 kg is
tied to it (Fig. 4). The suspended mass remains
in equilibrium while the puck on the tabletop
revolves. What are (a) the tension in the string,
(b) the force exerted by the string on the puck,
and (c) the speed of the puck?
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