A ball is projected upward from the ground. Its distance in feet from the ground in t seconds is given by s(t)=-16t^2+128t. At

Question

A ball is projected upward from the ground. Its distance in feet from the ground in t seconds is given by
s(t)=-16t^2+128t. At what times will the ball be 219 feet from the ground?

At second(s), the ball will be 219 feet from the ground
(Type an integer or decimal rounded to the nearest tenth as needed. Use a comma to separate answers as

Kunduz · Accepted Answer

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