1is it 12 m [approx]?
A flowerpot is knocked off a window ledge from a height d = 20.0 m above the sidewalk. It falls toward an unsuspecting man of height h = 1.75 m who is standing below. Assume the man requires a time interval of t = 0.3 s to respond to a warning. How close to the sidewalk can the flowerpot fall before it is too late for the warning shouted from the balcony to reach the man in time?
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