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Physics Motion Question


astressedibstudent

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The relevant quantities in this question are the 1) time 2) initial velocity 3) displacement 4) acceleration. The corresponding equation is s = ut + 1/2 * at^2

Let down be the positive direction. s = 4.81m, u = 12.7 m/s, a = 9.81 m/s^2, t = ? Plug the values into the quadratic and solve for the positive t. t = 0.335 s

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