The velocity of a wave depends only upon

What is the angular momentum of the bar about the axle?

What is the measurement of how fast an object moves relative to a reference point?

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? your