Apoint on the end of a tuning fork moves in simple harmonic motion described by d = a sin ωt. find ω given that the tuning fork for a certain note has a frequency of 256 vibrations per second.

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

How does the entropy of steam compare to the entropy of ice?

You are driving to the grocery store at 20 m/s. you are 110m from an intersection when the traffic light turns red. assume that your reaction time is 0.50s and that your car brakes with constant acceleration. how far are you from the intersection when you begin to apply the brakes? what acceleration will bring you to rest right at the intersection? how long does it take you to stop after the light changes? the known values: vi=20m/s xi=110m t=.50s vf=0m/s xf=0m a=?