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    cmorriscey's Avatar
    cmorriscey Posts: 1, Reputation: 1
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    #1

    Oct 31, 2011, 04:33 PM
    Find car's velocity given the skid mark lengths and coefficient of friction
    police lieutenants examining the scene of an accident involving two cars measure skid marks of one of the cars, which nearly came to a stop (vf=0) to be 80m long. The coefficient of friction is .8. estimat ethe initial velocity
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Nov 1, 2011, 07:03 AM
    You can use the energy equation here.

    Initial kinetic energy - Work done against friction = 0

    Can you do that?
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