What is the increase of current when 15 V is applied to 10000 ohm. rheostat, which is adjusted to 1000-ohm value?

frequency or wavelenth of em radiation in a vacuum

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.