Even though the individual molecules in a system may have non-zero momentum, the total momentum of a system at rest is equal to?

Energy is the ability to do work which measures what

The slope of a velocity time graph over any interval of time gives the during that interval

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.