Thursday
November 20, 2014

Homework Help: physics

Posted by jeff on Sunday, December 21, 2008 at 12:09pm.

A 4.74 kg spherical ball with radius 1.4 cm rolls on a track with a loop of radius 39 cm that sits on a table 1.2 meters above the ground. The last 1 meter section of the track is horzontal and is not connected to the rest of the track. 0.33 meters of this section of the track hangs over the edge of the table. The track has a linear mass density of 0.82 kg/m.
How high above the table must the rolling ball start to just make the loop?
How far does the ball travel along the loose length of track before the track starts to tip?

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