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Posted by on Thursday, April 18, 2013 at 9:47pm.

A ball of mass 3.0 kg is tied to the end of a 50-cm length of string. The ball and string are swung in a circle in a vertical plane at constant speed v, which is the minimum speed necessary to keep the string taut at all times. The center of the circle is a distance h= 190 cm above the floor. What is the speed of the ball

  • physics - , Thursday, April 18, 2013 at 9:57pm

    at the top, centripetal force=mg

    solve for v. keeping a ball the same speed would be very difficult to swing around vertically, because of the effect of gravity.

  • physics - , Friday, August 21, 2015 at 2:01pm

    What then is the radius

  • physics - , Thursday, July 14, 2016 at 9:26am

    50 cm

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