Tuesday
March 28, 2017

Post a New Question

Posted by on .

A ball is thrown off a cliff from a ht of 180 ft above sea level. The ht s of the ball above sea water level at time t is s(t)=-16t2+32t+180. When will the ball strike the water?

  • Math - ,

    When the ball strikes the water, the ht above water will be 0.

    h = -16t^2 +32t + 180 = 0,
    Solve for t using the Quadratic Formula
    and get:
    t = -2.5, and 4.5s.
    Select the positive value t:
    t = 4.5s.

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question