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What average force is required to stop an 1700 car in 7.0 if the car is traveling at 75 ?

  • Physics -

    force= mass*acceleration
    = mass(0-75)/7 negative sign indicates force opposes motion.

    You really ought to include units. Is this 1700kg? 7 min or s? 75 what? I hope m/s

    Watch units, use standard SI units.

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