Question

A bird sitting 16 feet above the ground in an apple tree dislodges an apple.After how many seconds does the apple land on the ground? (assume no branches interfere with its fall.)

Thank you.

Answer 1

when is
16t^2 = 16 ??

same question about 4 years ago?
http://www.jiskha.com/display.cgi?id=1375384643