If the absolute temperature of an object is tripled, the thermal power radiated by this object (assuming that it behaves as a blackbody and its size is not affected by the temperature change) will Group of answer choices increase by a factor of 3. increase by a factor of 81. increase by a factor of 27. increase by a factor of 18. increase by a factor of 9.

Which atomic model was proposed as a result of j. j. thomson’s work?

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?

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.