Energy that is the total of the kinetic energy and potential energy in an object or group of object is called what?

The mechanical vibrations triggered by sound waves are transduced into neural impulses by

What items can be classified as matter?

What was the first state to secede from the union?

A beam oflight is reflected off a mirror. If the angle of incidence is 30 degrees, according to the Law of Reflection the angle of the reflected light beam will bea. 15 degreesb. 30 degreesc. 60 degreesd. 90 degrees

A traveling sinusoidal electromagnetic wave in vacuum has an electric field amplitude of 91.1 V/m. Find the intensity of this wave and calculate the energy flowing during 17.1 s through an area of 0.

A wave with a frequency of 30 Hz has a wavelength of 40.5 m. How fast is the wave traveling?

A soccer ball is sitting in the middle of a soccer field during a game. When the referee blows his whistle, one of the players runs toward the ball and kicks it as hard as he can.

A body with v=20m/s changes its speed to 28m/s in 2sec. its acceleration will be

Charge: A piece of plastic has a net charge of + 2.00 μC. How many more protons than electrons does this piece of plastic have? (e = 1.60 * 10-19 C)

How much heat is needed to raise the temperature of 6g of water by 18oC?