A heat engine takes in 1120 J of heat from the hot reservoir and exhausts 700 J of heat to the cold reservoir. How much work is done by the engine?

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

Carbon 14 is a naturally occurring stable

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.