How fast is the mass moving at the bottom of its path

Reference no: EM13711012

Compute all parts of given problem:

Problem: A mass m = 7.5 kg hangs on the end of a mass less rope L = 1.81 m long. The pendulum is held horizontal and released from rest.

Part A: How fast is the mass moving at the bottom of its path?

Part B: What is the magnitude of the tension in the string at the bottom of the path?

Part C: If the maximum tension the string can take without breaking is Tmax = 614 N, what is the maximum mass that can be used?

Now a peg is placed 4/5 of the way down the pendulum's path so that when the mass falls to its vertical position it hits and wraps around the peg. As it wraps around the peg and attains its maximum height it ends a distance of 3/5 L below its starting point (or 2/5 L from its lowest point).

Part D: How fast is the mass moving at the top of its new path (directly above the peg)?

Part E: Using the original mass of m = 7.5 kg, what is the magnitude of the tension in the string at the top of the new path (directly above the peg)?

I need help to find the magnitude of the tension in the string at the top of the new path.

Reference no: EM13711012

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