Electromagnitic waves transfer heat energy from one object to another.
a. conduction
b. convection
c. radiation
d. newton's law of cooling
e. greenhouse effect
f. solar constant
g. solar power

Explain the doppler effect in terms of frequency, wavelength, and speed.

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

What would be the strength of earth's gravitational field at a point where an 80.0 kg astronaut would experience a 80% reduction in weight