1. A mass spring system is in SHM in the horizontal direction. If the mass is 0.25 kg, spring constant is 12N/m, and the amplitude is 15 cm,​

Which governments provide garbage collection services to homes and businesses

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.

What is an electric motor? explain its operation. 2-3 sentence