Why does the surfaces of the moon, mars and earth vary in appearance

What is the angular momentum of the disk about the axle?

A race car has a centripetal acceleration of 18.75 m/s2 as it goes around a curve. If the curve is a circle with radius 12 m, what is the speed of the car? A. 15 m/s B. 9.8 m/s C. 1.6 m/s D. 17.2 m/s

Name the device that convert mechanical energy into sound energy

An air mass entering Alaska from the northern Pacific Ocean would most likely be labeled on a weather map as (1) cP (3) mP (2) cT (4) mT

How do you label Time = energy • power

The amount of force needed to keep a 0.1kg basketball moving at a constant speed of 6 m/s on frictionless ice is ___ N

What three forms of kinetic energy can a polyatomic molecule have?

A parachutist bails out and freely falls 50 m. Then the parachute opens, and thereafter she deceler - ates at 2.0 m/s2. She reaches the ground with a speed of 3.0 m/s.

Why the weight of a body decreases with increases in distance from the earth's surface

On a fishing trip Justin rides in a book 12 km south. The fish aren't biting so they go for kilometers west. They then follow a school of fish 1 km north. What distance did they cover? What was their displacement?