Match the phrase with its explanation, 1. definite volume, no definite shape
kinetic energy
2. definite volume, definite shape
solid
3. average motion of molecules
I heat energy
liquid
4. internal energy transferable from a warm body to a cool one
5. energy by reason of motion
temperature

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?

Abookcase has a mass of 38 kg and the coefficient of friction between it and the floor is 0.82 what is the maximum force of friction between the bookcase and the floor a 372n b 305n c 412n d 449n