Arianna kicks a soccer ball off the ground and into the air with an initial velocity of 42 feet per second. Assume the starting height of the ball is 0 feet. Approximately what maximum height does the soccer ball reach? Hint: Use H (t) = - 16t2 + vt + s. 1.3 ft 2.6 ft 26.0 ft 27.6 ft

Question

Mathematics

Kael Koch

22 December, 14:59

Arianna kicks a soccer ball off the ground and into the air with an initial velocity of 42 feet per second. Assume the starting height of the ball is 0 feet. Approximately what maximum height does the soccer ball reach? Hint: Use H (t) = - 16t2 + vt + s. 1.3 ft 2.6 ft 26.0 ft 27.6 ft

+1

Answers (2)

Know the Answer?

Davis Branch · Answer 1

Davis Branch 22 December, 15:28

0

The answer is 27.6

Option D

Nestle · Answer 2

H (t) = - 16t^2 + 42t = - 16t (t - 2.625)

The maximum height will be reached at t=1.3125. It will be

h (1.3125) = 16*1.3125^2 ≈ 27.6 Which corresponding to the 4th selection