A car accelerates if it: Speeds up

Slows down

Goes around a curve

Both A and B

A, B, and C

The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?

Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.

Compare the patterns of the two waves shown in the image. which statement is true about these waves?