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If an object is dropped from a height of 144 feet, the function h(t)= -16t^2+144 gives the height of the object after t seconds. When will the object hit the ground? . A. 9 s . . B. 6 s . . C. 1.5 s .
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Feb 16, 2017
Physics
high-school
3
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Why is it important to collect credible sources before evaluating their content?
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Jun 17, 2016
English
high-school
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77.8k
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Which of the following is a characteristic of a nation? a sovereign government a large population a strong economy an official language
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Feb 16, 2016
History
high-school
6
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18.2k
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