To start a car engine, the car battery moves 3.75 * 10^21 electrons through the starter motor. How many coulombs of charge were moved?

Explain using examples, what is simple harmonic motion and why it is an important area of study in physics.

Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?

Both independent and dependent clauses