Determine the kinetic energy of a 659 kg roller coaster car that is moving with a speed of 12.5 m/s.

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?

What is the relationship between the direction of motion of the balloon and the wind currents

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.