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9 September, 06:01

If an object is projected upward with an initial velocity of 126 ft per sec, its height h after t seconds is h=-16^2 126t. find the height of the object after 4 seconds

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  1. 9 September, 06:59
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    After 4 seconds

    h (4) = - 16 (4) ^2 + 126 (4) = - 16 (16) + 504 = - 256 + 504 = 248 feet.
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