The states that the entropy of a closed system must always increase.
a. law of conservation of mass
b. law of conservation of energy
c. first law of thermodynamics
d. second law of thermodynamics

If a spring has a k value of 100 newtons per meter and it is stretched 0.50 meters, what is the restoring force of the spring?

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?

Ashot putter releases the shot some distance above the level ground with a velocity of 12.0 m/s, 51.0 ∘above the horizontal. the shot hits the ground 2.08 s later. you can ignore air resistance. how far did she throw the shot?