Which of the following is true about the following lever? 80 N
40 N
9 m
3 m

It will rotate clockwise.
It will rotate counter-clockwise.
It is balanced and will not rotate.

What determines the average kinetic energy of the particles in a gas? a. the number of collisions b. the number of particles c. the size of the particles d. the temperature

What best discribes the relationship between wavelength and frequency in a electromagnetic wave

Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.