Which is a compound machine?

Is physics the same thing as physical science?

What is produced as the result of unequal warming of the earth's surface?

A hot-air balloon is descending at a rate of 1.9 m/s when a passenger drops a camera. If the camera is 49 m above the ground when it is dropped, how much time does it take for the camera to reach the ground?

A proton is confined within an atomic nucleus of diameter 3.60 fm. part a estimate the smallest range of speeds you might find for a proton in the nucleus.

Two masses sit at the top of two frictionless inclined planes that have different angles. Which mass gets to the bottom first?

Your friend of mass 50 kg can just barely float in fresh water. Calculate her approximate volume.

The path that a body follow as it travels around another body in space is its

In a bumper car arena, two cars of equal mass are heading straight toward each other. The orange car is traveling at a velocity of 5 m s. The green car is traveling at a velocity of 2 m s.

On a frictionless air track, cart A hits cart B moving at a velocity of 2 meters per second to the right. Which answer predicts what will happen?

Label 1a lies on the rim of a large crater, and 1b lies on the rim of a smaller one. Which crater must have formed first?