Anyone good in hs physics? 10th grade I have a 3 question quiz. like this number 2

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.

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

Where do magnetic lines of force enter earth?