Aslinky is stretched across a classroom to 9 meters. a compression travels along the slinky at a velocity of 2 m s . how long does it take the compression to travel the entire 9m length of the classroom?

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

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.

Which lists the organs in the correct order as food passes from the mouth to anus?