For the cloudy day, does the time of peak longwave radiation coincide with the time of highest surface temperatures, highest solar radiation, or thickest and lowest clouds? Why would this be?

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.

an electric circuit

the components of a vector are the parts of the vectors that are to each other.

b perpendicular