A Tennis Ball Is Shot Vertically Upward in an Evacuated

Multiple Choice

A tennis ball is shot vertically upward in an evacuated chamber inside a tower with an initial speed of 20.0 m/s at time t = 0 s.
-Determine the velocity of the ball at t = 3.00 seconds.

A) 9.40 m/s, downward
B) 9.40 m/s, upward
C) 29.4 m/s, downward
D) 38.8 m/s, upward
E) 38.8 m/s, downward