1 A plane moving at 30m/s drops a load 200m down to the ground.

How long did it take to hit the ground.

A ski starts from rest and slides down a 22 incline 75 m long. if the coefficient of friction is 0.090, what is the ski's speed at the base of the incline?

What TWO things happen to solar radiation that reaches earth?

A disk made of many small particles of Rock and ice in orbit around a planet is called

What type of planet is Venus? Inner Planet Outer Planet Gas Giant Pseudo planet

Describing Waves Match the description to the correct term. longitudinal wave transfers energy perpendicular to the direction of wave motion transverse wave transfers energy parallel to the direction of wave motion wave a disturbance that carries

Explain a compression and a refraction of a sound wave traveling though the air

Two astronauts are playing catch with a ball in space. The first astronaut throws the ball; and A) the ball moves, but the astronaut doesn't. B) the ball moves, and so does the astronaut. C) the ball doesn't move, but the astronaut does.

What will a spring scale read for the weight of a 75.0-kg woman in an elevator that moves upward with constant speed of 5.8 m/s?

A matriel that resists the flow of electrons is called what?

What is characteristic of both sound waves and electromagnetic waves? (1) They require a medium. (2) They transfer energy. (3) They are mechanical waves. (4) They are longitudinal waves.