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A projectile is fired straight up from a cliff which is 200 feet above ground with an initial velocity of 220 ft/sec. Assume that the only force affecting the projectile during flight is from gravity which produces a downward acceleration 32 ft/sec^2. Find an equation from the projectile's height above the ground as a function of time t ( if t = 0 when the projectile is fired).

  • Physics -

    Sounds like a math textbook question. Physics books use metric units :)
    for constant acceleration:
    x = Xi + Vi t + (1/2) a t^2
    so here
    h = 200 + 220 t - 16 t^2

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