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March 29, 2017

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A boy throws a rock with an initial velocity of 2.47 m/s at 30.0 degrees above the horizontal. How long does it take for the rock to reach the maximum height of its trajectory?

  • physics - ,

    Just do the vertical problem
    Vi = 2.47 sin 30 = 1.23 m/s

    v = Vi - 4.9 t
    at top, v = 0
    0 = 1.23 - 4.9 t
    solve for t

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