Forest drops a rock from a bridge to the water below. The rock entered the water at the speed of 19.6 m/s. How long did it take the pebble to reach the water from the bridge? [S=d/t]

An object is moving east, and it’s velocity changes from 65m/s to 25m/s in 10 seconds. which describes the acceleration?

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?