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A car weighs 15000-N and is traveling along a highway at 27 m/s. If the driver immediately applies his brakes and the car
comes to rest in 85 m, what net force acts on the car during its acceleration? How do you solve this to get an answer of -6564N?

  • Physics - ,

    Physics is the Laws of Nature, formed in the beginning of time. You hate them? Odd.

    force=ma The great Issac Newton's second law of motion.

    force= mass*a

    but Vf^2=Vi^2+2a*d
    you know Vf, Vi, and distance d. Find acceleration a, put it in the F=ma equation.

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