In an earthquake, a p wave is a longitudinal wave. it moves through soil and rock as a
a. wavy line.
b. series of faults.
c. series of compressions and rarefactions.
d. series of crests and troughs.

Avery hard rubber ball (m = 0.5 kg) is falling vertically at 4 m/s just before it bounces on the floor. the ball rebounds back at essentially the same speed. if the collision with the floor lasts 0.05 s, what is the average force exerted by the floor on the ball?

Which of the following is a homogenous mixture? o a. a toy box filled with toys o b. blood o c. trail mix o d. spaghetti and meatballs submit

The ozone hole appears in antarctica during