Two semi trucks are both traveling down the highway at 70 mph the checks are identical except one is full and one is empty which truck has more kinetic energy and why

Which description best characterizes the motion of particles in a solid?

The graph indicates the running route for tobias. which best describes his run? from time 0 to 6, he went fast and then slowed down. from time 6 to 10, he was at his slowest. from time 12 to 14, he went very slow. from time 14 to 18, he went toward the starting point.

Fred is studying a substance that is made out of only one element. this means that