Describe the motion of the molecules in the solid container and in the air above the milk. Explain the kinetic theory of matter as it relates to solids, liquids, and gases.

Who was the first scientist to measure speed as distance over time?

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.

What property of an object determines its inertia?