Suppose That Several Projectiles Are Fired Upward

Multiple Choice

Suppose that several projectiles are fired upward. Which one will be in the air longest? (R is range, h is highest elevation, and t is time of flight.)

A) The one with the highest maximum elevation, h
B) The one with the greatest initial velocity
C) The one with the minimum elevation, h
D) The one with the farthest range, R
E) The one for which the product of (R) (t) (h) is maximum