Answer to Question #69379 in Mechanics | Relativity for kat

Question

A cement block accidentally falls from rest from the ledge of a 79.5-m-high building. When the block is 18.6 m above the ground, a man, 1.90 m tall, looks up and notices that the block is directly above him. How much time, at most, does the man have to get out of the way?

Answer 1

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