Question

Only need help with 14 (the bottom one).
An acorn fell from a branch 20 feet high and landed on a branch 7 feet high. How long did it take the acorn to fall? | Use the equation h(t) = h⁰ - 16t², where h is the height of the object in feet, t is time, and h⁰ is the object's initial height in feet.

Answer 1

Answer:

Refer to the attachment!