When you throw a ball upward, its kinetic energy and its potential energy . when the ball reaches maximum height, its kinetic energy is at a .

Which of the following represents an upside-down image? o a. +doo b. -doo c. +mo d.-m

Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference