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Mathematics, 17.02.2021 06:50 jonallere04

A model airplane is shot up from a platform 1 foot above the ground with an initial upward velocity of 56 feet per second. The height of the airplane above ground after t seconds is given by the equation h=-16t^2+56t+1 where h is the height of the airplane in feet and t is the time in seconds after it is launched. Approximately how long does it take the airplane to reach its maximum height? A)0.3 seconds
B)1.8 seconds
C)3.5 seconds
D)6.9 seconds

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A model airplane is shot up from a platform 1 foot above the ground with an initial upward velocity...
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