Homework Help: physics

Posted by kathryn on Wednesday, November 7, 2012 at 11:38am.

If an object is dropped from a tall building and hits the ground 3.0 s later, what is the velocity of the object when it hits the ground? (Remember that the velocity is downward)

i got -29m/s
is this correct?

physics - Steve, Wednesday, November 7, 2012 at 11:41am
correct: -9.8*3

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