A student decides they need a cup of coffee. The energy lost as the coffee cools down is the energy gained by the surrounding air. 1.greater than
2.hard to tell
3.less than
4.equal to

harry byrd declared organized resistance by southern states would prevent racial integration.

are there options? cause you ain’t. real specific

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.