LaChaparra1799 LaChaparra1799

20-03-2017
Physics

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A penny falls from a windowsill which is 25.0 m above the sidewalk. How much time does a passerby on the sidewalk below have to move out of the way before the penny hits the ground?

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Аноним Аноним

28-03-2017

t = √(h)/(0.5)(9.81)
t = √(25)/(4.905)
t = √5.1
t = 2.26 seconds

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