February 26, 2017

Homework Help: physics

Posted by louis aaaa on Tuesday, June 18, 2013 at 12:11pm.

A cement block accidentally falls from rest from the ledge of a 51.5 -m-high building. When the block is 12.9 m above the ground, a man, 1.60 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?

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