How many cycles of waves pass through a spot in a given second is called crest
trough
amplitude
wavelength
frequency
medium

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?

Argon, neon, and xenon are examples of