A baseball is hit directly upward with an initial speed of 43 m/s. discovers the velocity of the ball when it is at a height of 39 m.
Is there one correct answer for v or two?
Describe why.
A. Since the solution for velocity involves a square root we do get two answers.
B. Only one of these answers has physical meaning. Since the solution for velocity does not involve a square root we do not get two answers.
C. Since the solution for velocity involves a square root we do get two answers. Both of these answers have physical meaning.