How much force is needed to accelerate a 4kg mass at 12m/s/s?

Which sound characteristic is not affected by the relative motion of an object

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? yourunits 3. a clothes dryer uses about 2 amps of current from a 240 volt line. how much power does it use? yourunits 4.

Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these