1. The function of a thermostat is to transfer thermal energy. 2. The water in a hot-water heating system is heated by a furnace. 3. In a warm-air heating system, pipes carry thermal energy throughout the house.

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

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.

How many meters will a car travel if its speed is 45 m/s in an interval of 11 seconds? question 2 options: a) 450 meters b) 495 meters c) 4.09 meters d) 498 meters