SOLUTION: Could you help me solve this problem ? An object is thrown downward with an initial velocity of 4 ft/s. The relationship between the distance (d) it travels and time (t) in sec

Question 1041931: Could you help me solve this problem ?
An object is thrown downward with an initial velocity of 4 ft/s. The relationship between the distance (d) it travels and time (t) in seconds is given by :
How long does it take the object to fall 135 feet ?
Write a complete sentence answer..
Thank you so much !!!
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The instant that the object is thrown down must
be , and the object hasn't moved any distance
yet, so it must be true that:
, and it is if
When the object has travelled ft,
then it must be true that

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Use quadratic formula

It takes 2.87 sec to fall 135 ft
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I'm not sure what is meant by " answer in complete sentence "
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