Because a water molecule has a negative end and a positive end it displays?

Why is the melting of ice a physical change ?

Which of the following is true about the speed of light? it depends on the wavelength.

A2-kg bowling ball is 1 meter off the ground on a post when it falls. just before it reaches the ground,its traveling 4.4 m/s. assuming that there is no air resistant, which statement is true a. the initial potential energy is less then the final kinetic energy b. the mechanical energy is not conserved c. the mechanical energy is conserved d. the initial potential energy is greater than the final kinetic energy