Homework Help: physics

Posted by a on Tuesday, October 11, 2011 at 11:31pm.

A mass m = 4 kg hangs on the end of a massless rope L = 2.02 m long. The pendulum is held horizontal and released from rest.

1)How fast is the mass moving at the bottom of its path?

2)What is the magnitude of the tension in the string at the bottom of the path?

3)If the maximum tension the string can take without breaking is Tmax = 326 N, what is the maximum mass that can be used? (Assuming that the mass is still released from the horizontal and swings down to its lowest point.)

3)If the maximum tension the string can take without breaking is Tmax = 326 N, what is the maximum mass that can be used? (Assuming that the mass is still released from the horizontal and swings down to its lowest point.)

5)Using the original mass of m = 4 kg, what is the magnitude of the tension in the string at the top of the new path (directly above the peg)?

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