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  • one year ago

A ball is released from a hot air balloon moving downward with a velocity of -10.0 meters/second and a height of 1,000 meters. How long did it take the ball to reach the surface of Earth? Given: g = -9.8 meters/second2.

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  1. IrishBoy123
    • one year ago
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    using \(x = ut + \dfrac{1}{2}a t^2 \) will give you a quadratic to solve. u = 10, a = 9.8 alternatively, calculate velocity v when it hits ground from \(v^2 = u^2 + 2ax\) and use \(v = u + at\) to get t.

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