The bat emits a sound wave with a frequency of 25.0 kHz and a wavelength of 0.0136 metres.
Calculate the speed of this sound wave.

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

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change? work power gravitational energy chemical energy

The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared