SOLUTION: In a cartoon , a malfunctioning cannon fires a hungry coyote towards the bottom of a cliff with an initial rate of 100 feet per second. If the cliff is 1250 feet tall, how long wil

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Question 180178: In a cartoon , a malfunctioning cannon fires a hungry coyote towards the bottom of a cliff with an initial rate of 100 feet per second. If the cliff is 1250 feet tall, how long will it take the coyote to reach the desert floor? ( To account for gravity , use the formula d - rt + 16^2, where d = dustance, r = initiall rate, and t = time).
Answer by stanbon(48558) (Show Source):
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In a cartoon , a malfunctioning cannon fires a hungry coyote towards the bottom of a cliff with an initial rate of 100 feet per second. If the cliff is 1250 feet tall, how long will it take the coyote to reach the desert floor?
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-16t^2-100t = -1250
16t^2 + 100t - 1250 = 0
(4t-25)(4t+50) = 0
Positive solution:
t = 25/4 = 6.25 seconds
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Cheers,
Stan H.