Tom pulls a baseball bat that is 70° to the ground. If he exerts a constant force of 20.N as he pulls the baseball bar
10. meters, how much work has he done? Joules

Distinguish between a transverse wave and a longitudinal wave.

The speed of light can be used to measure the

A2.00-m long piano wire with a mass per unit length of 12.0 g/m is under a tension of 8.00 kn. what is the frequency of the fundamental mode of vibration of this wire?