The frequency of a wave is 560 hz. what is it’s period

Which graph best represents the relationship between the electric current and the rate at which a magnet is turning inside an electric generator?

The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.

Which two particles are found in the center of an atom