Thursday
April 24, 2014

Homework Help: physics

Posted by kathryn on Wednesday, November 7, 2012 at 11:40am.

If an object is dropped from a tall building and hits the ground 3.0 s. later, what is the magnitude of the object's displacement in 1.0 s.; in 2.0 s.?

for 1.0s i got 9.8
for 2.0s i got 20.

is this correct?

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