Recent content by Hydrantman001

  1. H

    How long was it in the air before returning to Earth?

    Yea I am getting about 1.43 which is what I originally got perhaps my webassign is just messed up and won't accept a good answer thanks for the help! :biggrin:
  2. H

    How long was it in the air before returning to Earth?

    So 2.5 = -19.6t^2 or -.128 =t^2 so time = .35 or something? is that correct? and is displacement negative on the way down? The answer has to be somewhere around 1.4...am i hot or cold?
  3. H

    How long was it in the air before returning to Earth?

    going down the init velocity should be 0 because the object is at rest
  4. H

    How long was it in the air before returning to Earth?

    Thanks for replying I figured vi was not 0 but the question does not reveal the true vi to the reader so vi = 7??
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    How long was it in the air before returning to Earth?

    A man jumps to a vertical height of 2.5 m. How long was it in the air before returning to Earth? here is what i got so far... vi=0 v=0 x-xi=2.5 a=-9.8 that is for the man jumping upwards...I believe the up and down will be proportional so if I just double my answer in the end i should...
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