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?

The acorn was moving through the air in the time interval of to .

The given distance equation covered by acorn while falling from the tree is given as   which is time dependent.

Factorise the given equation by equating the given equation to zero,

Hence, taking as the starting of fall, the acorn was moving through the air in the time interval of to .

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e) none of the above because the measure of angle cba is 101°

w'x is 0.

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