A scientist measured the wavelength of an orange light wave as 6.15 x 10-7 meters. A second scientist measured the wavelength of a green light wave as 5.6 x 10-meters.
Calculate the frequency of the GREEN light.

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct

The potential energy for a mass on a spring is proportional to the square of which of these quantities? a. mass b. frequency c. period d. displacement e. velocity

An 800 kg car is moving at 32 m/s when it hits the afterburner. the after burner applies a 180,000 n force for 25 seconds. what is the rockets final speed?