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Homework Help: Can any one check that my answer is right?

  1. Oct 28, 2006 #1

    A 5 kg ball is tossed into the air with an initial velocity of 6 m/s. I f the power delivered to the ball was 100 watts, over what time inteval did the power delivery occur?

    my answer = 178m/s/s ?

    oh bugger!!!
  2. jcsd
  3. Oct 28, 2006 #2


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    Homework Helper

    First of all, if you're asked for a time interval, then your answer cannot contain acceleration units, i.e. [m/s^2].
  4. Oct 28, 2006 #3


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    What's the energy delivered to the ball?

    How do you find time when you know energy and power?
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