What is the wavelength of light that has a frequency of 4.08E14 Hz?

Apulley with mass mp and a radius rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?

Calculate the velocity of a car traveling in a straight path due east with a distance of 16 meters in 2 seconds. question 1 options: a)32 m/s b)32 m/s e c) 8 m/s e d) 8 m/s