Amotor does 8000j of work in 20 seconds. what is the power of the motor

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.

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

The electronic structure or chlorine is 2.8.7 what is the electronic structure of fluorine?