The speed of sound is greater through a solid than through a gas because the molecules in a solid are A) still. B) vibrating. C) farther apart. D) closer together.

An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. The height of the rebound bounce is measured using a scale positioned behind the ball.

What are three things that water variability affects for us?

What is the number of protons and neutrons in the nucleus of an isotope

Kinetic energy into electrical energy

A push or pull on an object

A car is traveling 15m/s starts to decelerate steadily. It comes to a complete stop in 10 seconds. what is it's acceleration?

Una pelota de béisbol es arrojada verticalmente hacia arriba desde la azotea de un edificio con una velocidad de 20m/s.

Suppose you had one circuit with a 9V battery connected to two 100 ohm light bulbs in series. and a second circuit with a 9V battery connected to two 100 ohm light bulbs in parallel.

Which mechanical waves needs a medium to travel through?

Two charged objects, A and B, are exerting an electric force on each other. What will happen if the charge on A is increased? A. The charge on B will decrease. B. The charge on B will increase. C. The electric force between A and B will decrea D.