The definition of an equilibrium position is: A point on a standing wave that oscillates a lot
A perfectly still point at the bottom of the wave
A point on a standing wave that is at the top of the wave
A point on a standing wave that barely vibrates

Please hurry I have 15 mins

The specific heat of silver is 0.057 calories/gram°c. if 10.0 grams of silver were heated and the temperature of the sample changed by 20.0°c, how many calories of heat energy were absorbed by the sample?

Is it possible to use the energy from two atoms colliding to create a clean burning lasting fuel source with a large amount of force? is it also possible to harness that energy from the two atoms colliding to create a clean energy source that will last for years from just two atoms colliding. is there a possibility to control and store that energy for years but slowly let the energy out enough to power cities cheaper and faster.

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds