The launching velocity of a missile is 20.0 m/s, and it is shot at 53º above the horizontal. which of the velocity components (neglecting air resistance) determines the projectile's time in the air?

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.