Solve the problem.Ron throws a ball straight up with an initial speed of 40 feet per second from a height of 7 feet. Find parametric equations that describe the motion of the ball as a function of time. How long is the ball in the air? When is the ball at its maximum height? What is the maximum height of the ball?
A. x = 0, y = -16t2 + 40t + 7
5.328 sec, 1.25 sec,
25 feet
B. x = 0, y = -16t2 + 40t + 7
2.664 sec, 1.25 sec,
32 feet
C. x = 0, y = -16t2 + 40t + 7
2.311 sec, 1.25 sec,
6.988 feet
D. x = 0, y = -16t2 + 40t + 7
4.621 sec, 1.25 sec,
177.892 feet
Answer: B
Mathematics
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