If a ball has 300 Joules of potential energy at its highest point, how much kinetic energy will it have at its highest speed? A; less than 300 Joules

B; more than 300 Joules
C: exactly 300 Joules

D; cannot be determined

Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?

Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.

What is the increase in density of a medium due to wave travel?