How are potential energy, kinetic energy, and total energy related?

If the period of the lowest-frequency sound you can hear is 0.050 s, then what is its frequency?

Solar cells are given antireflection coatings to maximize their efficiency. Consider a silicon solar cell (n = 3.50) coated with a layer of silicon dioxide (n = 1.45).

Does the system's kinetic energy increase, decrease, or stay the same? or is there not enough information to tell?

Gases are more prone to expansion and contraction than liquid. The biggest change in the volume in your thermometer was probably in the water or air

Two charged objects, A and B, exert an electric force on each other. What happens if the distance between them is increased?

A boy and his dog run at 3m/s for 4min. How far do they run?

When you flick a coin so that it slides across a table, it slows down. (a) whts is the name of the force that slows it down? (b) how many forces are acting on the coin after your finger stops pushing

If you push on a wall with a force of 200 N, with what force does the wall push back?

What form of matter is "vapor"?

If a recipe says to bake a pizza in 250 degrees Celsius at what temperature should you set your temperature that uses Fahrenheit scale