An atom has no electrical charge because the number of protons is equal to the number of neutrons the number of neutrons is equal to the number of electrons the number of protons is equal tothe number of electrons

"an open tank has the shape of a right circular cone. the tank is 6 feet across the top and 5 feet high. how much work is done in emptying the tank by pumping the water over the top edge? note: the density of water is 62.4 lbs per cubic foot."

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz. what wavelength is produced?

If the force applied to an object remains constant, is more power needed for the object to move faster ? explain