When a cart collides with the end of thr track since the end sto contains magnets that repel the magnetic bumper of the cart the cart will recoil.

Awave travels at a speed of 5.2 m/s. if the distance between crests is 0.40 m, what is the frequency of the wave? use f=v/wavelength a. 13 hz b. 2.1 hz c. 0.077 hz d. 5.6 hz

Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational

Argon, neon, and xenon are examples of