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Posted by on Wednesday, November 14, 2012 at 4:41pm.

a nasty little boy tries to drop a water balloon from the top of a 20 m tall building so it lands next to and splashes an innocent woman standing on the ground below. how long does the woman have to get out of the way?

  • physics - , Wednesday, November 14, 2012 at 5:01pm

    s = 1/2 at^2
    20 = 4.9 t^2
    t = 2.02 seconds

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