If a car accelerates from rest at a constant rate of 5.5 m/s^2, how long will it take the car to reach a velocity of 28 m/s? Vi =
a =
t =
Vf =

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)

In the illustration, which two simple machines are being used to enable the student to reach the door? a. inclined plane and pulley b lever and wheel-and-axle c pulley and lever d wheel-and axle and inclined plane