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The wheel of a car of radius 0.7 m is mo...

The wheel of a car of radius 0.7 m is moving with an angular velocity of `10pi " rad" cdot s^(-1)`. If the car is to be brought to rest by applying brakes within `(1)/(2)` s, what will be the distance covered by the car during that time?

Text Solution

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The correct Answer is:
5.5 m
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Knowledge Check

  • A wheel is rotating 300 times per minute. The angular velocity of the wheel in rad cdot s^(-1) unit is

    A
    `10pi`
    B
    `20pi`
    C
    `30pi`
    D
    `5pi`

  • If wheel revolves 120 times per minute then its angular velocity in rad cdot s^(-1) unit is

    A
    `pi^(2)`
    B
    `4pi`
    C
    `2pi`
    D
    `4pi^(2)`

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