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March 27, 2017

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A motorist travelling at 107 km/hr is being chased by a police car at 133 km/hr. If the police car starts from 3.0 km back, how long does it take to catch the motorist? Leave time in hours

  • Physics - ,

    The times are the same.
    let 133km/hr*t+3km=107km/hr*t
    solve for t.

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