What does mechanics, acoustics, heat, electricity, magnetism, electromagnetism, optics, nuclear physics, and modern physics study?

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

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.