3 years ago

Please dont delete this question......

Physics

2 answers:

Juli2301 [7.4K]3 years ago

8 0

Answer:

Explanation:

rjkz [21]3 years ago

6 0

Answer:

Explanation:

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Inessa05 [86]

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t = 1.09 s.

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This is a one-dimensional kinematics question, so the equations of kinematics will be sufficient to solve the question.

$y-y_0 = v_0t + \frac{1}{2}at^2\\0 - 3.82 = 1.86t +\frac{1}{2}(-9.8)t^2\\-3.82 = 1.86t - \frac{1}{2}9.8t^2\\4.9t^2 - 1.86t - 3.82 = 0$

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Of course, we will choose the positive time.

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