2. What kind of waves are caused by sound? Describe what is happening to molecules.

You are flying in an ultralight aircraft at a speed of 39 m/s. An eagle, whose speed is 18 m/s, is flying directly toward you. Each of the given speeds is relative to the ground. The eagle emits a shrill cry whose frequency is 3400 Hz.

The human male gamete is called a sperm cell and is produced in the a. ovaries. b. spleen. c. liver. d. testes.

What do we now understand to be the primary difference between normal galaxies and active galaxies?

A 50kg skater at rest on a frictionless rink throws a 2kg ball, giving the ball a velocity of 10m/s. Which statement describes the skaters subsequent motion?

What is your average speed if you walk 2 kilometers in 20 minutes?

A (n) 1555.4 kg car is coasting along a level road at 40 m/s. A constant braking force is applied, such that the car is stopped in a distance of 55.6 m. What is the magnitude of the braking force? Answer in units of N.

A hot spot is an area where material from deep within the mantle rises and melts through the crust above it. True or False

Disabling asthma attacks can lead to restrictive school activity of approximately

What is the force behind mass movements

You have a rock with a volume of 15 cm 3 and a mass of 45 grams. What is its density?