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alexira [117]
3 years ago
12

An object is dropped from a bridge and allowed to freefall to the ground. The height of the object over time can be modeled usin

g h(t) = 144 – 16t2.
How many seconds will it take the object to reach the ground?
Mathematics
2 answers:
nirvana33 [79]3 years ago
7 0
When the object reaches the ground, the height is zero, so:
0 = 144 - 16t^2
then you just solve for t, so subtract the 144 over
-144 = -16t^2
then divide by the -16
9 = t^2
then take the square root of both sides
3 = t
therefore, it will take three seconds for the object to reach the ground.
Masteriza [31]3 years ago
3 0

Answer:

The is answer is 3 seconds

Step-by-step explanation:

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