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A pebble is dropped from the top of a 144-foot building. The height of the pebble h after t seconds is given by the equation h-16t2 plus 144h and minus16t2 plus 144 . How long after the pebble is drop?
Wiki User
∙ 7y ago
A pebble is dropped from the top of a 144-foot building. The height of the pebble h after t seconds is given by the equation h=−16t2+144 . How long after the pebble is dropped will it hit the ground?
Interpretation
a) Which variable represents the height of the pebble, and in what units?
b) Which variable represents the time in the air, and in what units?
c) What equation relates the height of the object to its time in the air?
d) What type of equation is this?
e) What are you asked to determine?
Wiki User
∙ 7y ago
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