I NEED HELP WITH THIS PHYSICS QUESTION QUICK

Ahypothesis is? close agreement by competent observers of observations of the same phenomena. a guess that has been tested over and over again and always found to be true. an educated guess that has yet to be proven by experiment. the long side of a right triangle. a synthesis of a large collection of information that includes guesses.

Describe how the motion of a spring being pushed forward and backward is similar to the motion of air particles in a sound wave.

If jason ii needs 15 kw of power at 300 volts to operate, what amperage of current must flow through the cable?