physics

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if a car goes from 10 m/s to a full stop,then its change in velocity is 10m/s.if it decelerates at a rate of 2.5 m/sec square,it will take 4 sec to stop.how far this car will travel when braking to a stop?

  • physics -

    Vf^2=Vi^2+2ad

    solve for d. a=-2.5

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