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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 - ,

    correct: -9.8*3

  • physics - ,

    I got -29.43m\s but that's not taking air resistance Into consideration.

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