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Posted by on Friday, September 23, 2011 at 1:19pm.

A runner’s velocity along a straight track is 3.2 m/s at time 8.0 s and 2.2 m/s at time 11 s. Find the runner’s average acceleration during this time interval.

  • physics - , Wednesday, December 19, 2012 at 1:46pm

    A hammer strikes a nail with a 25 N force for 0.05 s. Calculate the impulse of the hammer?

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