Awavelength is moving at the rate of 40 cm/s. if the wavelength is 8 cm then what is the frequency of the wave?
a. 5 cm
b. 320 cm
c. 320 hz
d. 5 hz

11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?

Which car has the most kinetic energy? a. a car of mass 1000 kg with a speed of 3 m/s b. a car of mass 2000 kg with speed 7 m/s c. a car of mass 1000 kg with speed 7 m/s d. a car of mass 2000 kg with speed 3 m/s

This is the number of complete movements of a wave per second.