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March 30, 2017

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What is the magnitude of the average force required to stop an 1500 kg car in 8.0 s if the care is traveling at 95 km/h?

Sum of F = ma?

  • Physics - ,

    v(final)=v(initial) –at
    0= v(initial) –at
    a= v(initial)/t =95000/3600•8=3.3 m/s²,
    F(fr) =ma=1500•3.3=4948 N

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