Solve.Ron throws a ball straight up with an initial speed of 40 feet per second from a height of 3 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 and y = -16t2 + 40t + 3
5.146 sec, 1.25 sec,
25 feet
B. x = 0 and y = -16t2 + 40t + 3
4.845 sec, 1.25 sec,
190.855 feet
C. x = 0 and y = -16t2 + 40t + 3
2.423 sec, 1.25 sec,
2.985 feet
D. x = 0 and y = -16t2 + 40t + 3
2.573 sec, 1.25 sec,
28 feet
Answer: D
You might also like to view...
Solve the equation for z.
?
A. There is no solution.
B. ?
C.
D. ?
Solve the problem.Rewrite the integral in the order
.
A.
B.
C.
D.
Write the equation of the line with the given conditions.passing through (3, -7) and perpendicular to the line with equation 4x - 5y = -23
A. y = - x -
B. y = - x -
C. y = x -
D. y = - x -
Solve the problem.An audio speaker that weighs 50 pounds hangs from the ceiling of a restaurant from two cables as shown in the figure. To two decimal places, what is the tension in the two cables?
A. Tension in right cable: 41.59 lb; tension in left cable: 35.90 lb B. Tension in right cable: 35.90 lb; tension in left cable: 41.59 lb C. Tension in right cable: 14.10 lb; tension in left cable: 41.59 lb D. Tension in right cable: 35.90 lb; tension in left cable: 14.10 lb