Solve.
-The formula D = 16t2 is used to approximate the distance in feet an object falls in t seconds. A package is dropped from an airplane that is 1600 feet above the ground. How many seconds elapse before it hits the
Ground?
A)10 seconds
B)25,600 seconds
C)100 seconds
D)20 seconds

Question

Quizplus · Accepted Answer

Using the formula D = 16t^2, and given D = 1600 feet, we solve for t: 1600 = 16t^2. Dividing both sides by 16 gives t^2 = 100. Taking the square root of both sides gives t = 10 seconds.

Solve. -The Formula D = 16t2 Is Used to Approximate the the Distance