onnomeath onnomeath

10-11-2022
Physics

contestada

1. A 1.2 m long frictionless pendulum of mass 2 kg is pulled 40° from its rest position and let go.

a. What is the kinetic energy and speed of the pendulum as it reaches the bottom of its motion?
b. What is the speed and kinetic energy when the pendulum is halfway to its maximum height?

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