the average time taken for energy generated in the center of the sun to reach the surface layers and escape is calculated to be

a coal burning power plant

where are the vectors ?

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.

i think it's 35 meters