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physics

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driving on a hot day causes tire pressure to rise. what is the pressure inside an automobile tire at 288, if the tire has a pressure of 30 psi at 318k? Assume that the volume and amount of air in the tire remain constant

  • physics -

    Use Charle's law:

    P1/T1=P2/T2

  • physics -

    P V = n R T
    V and n and R are constant
    so
    P/T = constant = 30/318

    P = 288 (30/318)

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