Which are examples of perfectly inelastic collisions? Check all that apply. a baseball bouncing off a bat bumper cars bumping off of each other a cue ball hitting an eight ball and stopping a plane landing on an aircraft carrier rain sticking to a window two train cars coupling together

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.