Most electrical power generation (except for solar) converts motion into electricity using a generator. The two required components for a generator are

Temperature of 273K is the temperature at which water

Ultrasound is the name given to frequencies above the human range of hearing True or false

What factor can increase the potential energy of an object? A Decrease in speed B Decrease in density C Increase in temperature D Increase in height from the ground?

People can stay informed of weather events by listening to weather updates on the radio. True or False

Which is an example of a passive solar energy system? 1.) sunlight captured by solar cells charges batteries in the basement 2.) sunlight shining through windows warms a massive interior wall 3.

If the action force is throwing a ball, what is the reaction force?

Wave A has an amplitude of 2 cm, and wave B has an amplitude of 2 cm. Both waves are in phase. Determine the amplitude of resulting wave C

Calculate the percent weight reduction of the plane as it moves from the sea level to 11,719.342 m.

You and a friend are jumping on a trampoline. Why does Earth, which is rapidly orbiting around the sun, not move under your feet when you jump? A.

How much heat is absorbed by a 29g iron skillet when its temperature rises from 9oC to 105oC?