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You are the design engineer in charge of the crashworthiness of new automobile models. Cars are tested by smashing them into fixed, massive barriers at 51 km/h (32 mph). A new model of mass 1900 kg takes 0.18 s from the time of impact until it is brought to rest.

Calculate the average force exerted on the car by the barrier.

Calculate the average deceleration of the car.

  • Physics -

    force*time= mass*changevelocity

    solve for force.

    force= m*a solve for a

  • Physics -

    that doesn't work (at least that's what our teacher is telling is)

  • Physics -

    If you lift a 57.7kg box 2.41m over your head, how much work did you do?

  • Physics -

    Read your Notes jeje.. Hope this helps :)

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