Ask Question
21 February, 14:57

A rock is dropped from a height of 25 feet. The function h=-16t^2 + 25 gives the height h of the rock after t seconds. When does it hit the ground?

+3
Answers (1)
  1. 21 February, 18:04
    0
    5 seconds

    Step-by-step explanation:

    The ground is 25 eet, so 25=-16t^2+400

    -16t^2=-400, 16t^2=400

    t^2=25, dividing both sides by 16

    t=5 seconds.
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “A rock is dropped from a height of 25 feet. The function h=-16t^2 + 25 gives the height h of the rock after t seconds. When does it hit the ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers