Q. A simple pendulum has a mass of 0.150 kg and a length of 3.00 m. It is displaced through an angle of 12.0° and then released. What is the maximum speed?What is the maximum angular acceleration?What is the maximum restoring force?
Q. An osprey's call is a distinct whistle at 2200 Hz. An osprey calls while diving at you, to drive you away from her nest. You hear the call at 2300 Hz . How fast is the osprey approaching?