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physics

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A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 5.95 m/s. The car is a distance d away. The bear is 37.0 m behind the tourist and running at 7.80 m/s. The tourist reaches the car safely. What is the maximum possible value for d?

  • physics - ,

    L=37 m
    v₁=5.95 m/s
    v₂=7.8 m/s
    L+ v₁t= v₂t
    t=L/ (v₂-v₁)=
    =37/(7.8-5.95) =20 s
    d= v₁t=5.95•20=119 m.

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