Three basic classes of collisions include all but which of the following?

A 1500 kg car traveling at 90.0 km/h toward the east suddenly collides with a 3000 kg car traveling at 60 km/h toward the south. The two cars stick together after the collision. What is the speed of the cars after collision?

Explain why a steel block sinks but a steel ship floats

Why do we get dew on the surface of a cold soft drink bottle kept in open air?

The diagram below shows rock is affected when water enters cracks in rock, freezes and becomes ice

Which describes the motion of the media for a surface wave? A. The motion is parallel to wave direction B. The motion is both parallel and perpendicular to wave direction. C. The motion is perpendicular to wave direction.

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?