A Foul Ball Is Hit Straight Up into the Air

question 19

Essay

A foul ball is hit straight up into the air with a speed of 30 m/s,and air effects are negligible.
(a)Calculate the time required for the ball to rise to its maximum height.
(b)Calculate the maximum height reached by the ball above the point where it hit the bat.
(c)Determine the times at which the ball passes a point 25 m above the point where it was hit by the bat.
(d)Explain why there are two answers to part (c).

---

Definitions:

Extensive Physical Therapy

Physical rehabilitation involving numerous, repeated sessions aimed at improving motor skills, strength, or function following injury or disease.

Autonomy

The capacity to make an informed, uncoerced decision or the right of individuals to govern themselves.

Paths Of Retirement

Various routes individuals can take when transitioning from full-time work to retirement, including phased retirement, early retirement, and traditional retirement.

Entirely New Pursuits

Activities or interests that an individual engages in for the first time, marking a departure from previous habits or routines.