Conductors of electricity *
A. Nonmetal
B-Metalloid
C-Metal

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.

What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?

Which of the following examples illustrates static friction? a box sits stationary on a ramp. a ball rolling on the lawn eventually comes to rest. a car rounds a curve on a road. a fish swims upstream.