A Ball Is Projected Upward at Time T = 0

Multiple Choice

A ball is projected upward at time t = 0.0 s,from a point on a roof 90 m above the ground.The ball rises,then falls and strikes the ground.The initial velocity of the ball is 80.5 m/s.Consider all quantities as positive in the upward direction.The velocity of the ball when it is 89 m above the ground is closest to:

A) - 81 m/s
B) - 64 m/s
C) - 48 m/s
D) - 32 m/s
E) - 97 m/s