When illuminated with light of wavelength 672 nm (6.72 x 10-7 m), the first dark fringe produced by a single slit lies a distance of 1.4 cm from the center of the screen placed 1.7 m from the slit. (a) how wide is the slit?

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.

Asap i'm in class rn a 1,000-kg car is traveling 20 m/s on a flat stretch of road. it gets to a hill and coasts uphill until it stops. how high up the hill does the car travel? givens: equation: 1/2mv2initial=mghfinal solve for h. plug & chug, label.

Amira pulls a 3 pound wagon 4 feet. how much work has she done?