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    Determining Velocity of Objects

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    If an object is given an initial velocity straight upward of v0 feet per second from a height of s0 feet , then its altitude's after 1 second is given by the formula:
    S= -16t2+ v0t + s0.

    An arrow is shot straight upward with a velocity of 96 feet per second (ft/sec) from an altitude of 6 feet. For how many seconds is this arrow more than 86 feet high.

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    Solution Preview

    Studying the given formula and the data carefully, we can observe that we are given the initial velocity v0=96, height s0=6. The altitude after 't' ...

    Solution Summary

    The velocity of and object is found from a formula. The solution is detailed and well presented.