Mathematics, 16.07.2019 20:00 kittycat92
An acorn falls from the branch of a tree to the ground 25 feet below. the distance, s, that the acorn is from the ground as it falls is represented by the equation s(t) = –16t^2 + 25, where t is the number of seconds. for which interval of time is the acorn moving through the air?
Answers: 2
⇒ Rewriting the equation gives
⇒ This is the 'difference of two squares' form.
and 
and 
and 
to 
.
which is time dependent. 
as the starting of fall, the acorn was moving through the air in the time interval of 
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An acorn falls from the branch of a tree to the ground 25 feet below. the distance, s, that the acor...
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