What does the kinetic theory of matter state?
-All particles of matter are in constant motion
-Particles in liquids move the fastest
-Particles in solids do not move at all
-Matter is anything that has mass and volume

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. in the above experiment, which condition would not be controlled? a). the starting height of the ballb). the surface the ball bounces on c). the type of ball d). the method to measure the rebound height of the ball

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is transformed ⇒ as it changes into other forms of energy.

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is