Question

a golf ball is hit from the ground with an initial velocity of 208 feet per second. assume the starting height of the ball is 0 feet. how long will it take the golf ball to hit the ground? 13 secs 21 secs 42 secs 6 secs

Answer 1

It will take 13 seconds for the golf ball to hit the ground. The correct answer between all the choices given is the last choice or letter D. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

Answer 2

It is 13, because if you use the formula that you learned, Simplify and then turn the factors to 0 to get the answer. 
H(t)= -16t^2 - 208t
H(t)= -16t(t-13)
-16t/-16= 0/16= t=0
t-13=0
t=13