How do I solve physics questions like this?
A pendulum bob is released from some initial height such that the speed of the bob at the bottom of the bob at the bottom of the swing is 1.9m/s. What is the initial height of the bob?
A pendulum bob is released from some initial height such that the speed of the bob at the bottom of the bob at the bottom of the swing is 1.9m/s. What is the initial height of the bob?