Please help it’s due today! what is the velocity of a wave in a wave pool if its wavelength is 5.5 m and its frequency is 0.75 Hz.

The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?

The necleus of an atom is made up of what subatomic particles?

While the change in blank will remain the same during a collision, the force needed to bring an object to a stop can be blank if the time if collision is blank