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November 22, 2014

Homework Help: science

Posted by Pratapveer on Wednesday, September 18, 2013 at 5:02pm.

Mary wants to throw a can straight up into the air and then hit it with a second can. She wants the collision to occur at height h=5.0 m above the throw point. In addition, she knows that she needs t1=4.0 s between successive throws. Assuming that she throws both cans with the same speed. Take g to be 9.81 m/s2.


(a) How long it takes (in s) after the first can has been thrown into the air for the two cans to collide?

Δt=

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