Two points in a plane have polar coordinates (2.50 m, 30.0°) and (3.80 m, 120.0°). determine (a) the cartesian coordinates of these points and (b) the distance between them.

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