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PHYSICS

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A 950 kg car rolling on a horizontal surface has speed v = 50 km/h when it strikes a horizontal coiled spring and is brought to rest in a distance of 2.2 m. What is the spring stiffness constant of the spring?

  • PHYSICS - ,

    initialKE = finalPE of spring
    1/2 m v^2= 1/2 k x^2
    solve for k

  • PHYSICS - ,

    78

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