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March 29, 2017

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a car traveling at 30 m/s loses a tire. the tire rolls to a hill which it begins climbing without slipping how high up the hill will the tire climb?

  • physics(i also hae no idea) - ,

    Kinetic energy at bottom = potential energy at top

  • physics(i also hae no idea) - ,

    (1/2) m v^2 + (1/2)I w^2 = m g h
    but w = v/r
    (1/2) m v^2 + (1/2)I v^2/r^2 = m g h
    v^2 (m + I/r^2) = 2 m g h

    You must know something about radius and moment of inertia to get answer.

  • physics(i also hae no idea) - ,

    omg thank you i forgot about kinetic energy and potential energy

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