Solve the problem.
-A ball is dropped from a cliff that is 432 feet high. The distance S (in feet) that it falls in t seconds is given by the formula S = 16t2. How many seconds (to tenths) will it take for the ball to hit the
Ground?
A) 11,664 sec
B) 5.2 sec
C) 20.4 sec
D) 20.8 sec

Question

Quizplus · Accepted Answer

To find the time it takes for the ball to hit the ground, we set the distance S equal to the height of the cliff and solve for t: 432 = 16t^2. Dividing both sides by 16 gives t^2 = 27. Taking the square root of both sides gives t = √27, which is approximately 5.2 seconds.

Solve the Problem. -A Ball Is Dropped from a Cliff That Is 432