How much time at most does theman have to get out the way

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A cement block accidienatlly falls from rest from the ledge of a 63.7 -m-high building when the block is 18.2m above the ground a man 2.00m tall looks up notices that the block is directly above him. How much time at most does theman have to get out the way?

Reference no: EM13314320

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