Which of the following are states of matter? A. Gas
B. Compound
€. Mixture
D. Solid
E. Liquid

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?