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Mathematics 12 Online
OpenStudy (anonymous):

a ball is dropped from 512 feet above the ground. Disregarding air resistance the height of the ball above the ground h(t) after t seconds is given by the equation: h(t)=512-16t^2. What is the velocity of the ball at the instant that it strikes the ground?

OpenStudy (anonymous):

have you taken calc?/do you know what a derivative is?

OpenStudy (anonymous):

i feel it is sum wt 90 ft/sec

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