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A police officer in hot pursuit drives h...

A police officer in hot pursuit drives her car through a circular turn of radius 300 m with a constant speed of 75.0km/h. Her mass is 55.0 kg. What are (a) the magnitude and (b) the angle (relative to vertical) of the net force the officer on the car seat?

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The correct Answer is:
(a) `545;(b) 8.40^(@)`
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Knowledge Check

  • A car is moving on a circular track of radius 0.1 km with a speed 60 km/h, angle of banking would be

    A
    `tan^(-1)(1//18)`
    B
    `tan^(-1)(5//18)`
    C
    `cos^(-1)(5//18)`
    D
    `tan^(-1)(18//5)`

  • A car of mass 1200 kg is travelling around a circular path of radius 250 m with a steady speed of 72 km/hour. What is its angular momentum ?

    A
    `3xx10^(6)" kg m"^(2)//s`
    B
    `4xx10^(6)" kg m"^(2)//s`
    C
    `5xx10^(6)" kg m"^(2)//s`
    D
    `6xx10^(6) kg m"^(2)//s`
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