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A car is moving with speed 30m/s on a c...

A car is moving with speed 30m/s on a circular path of radius 500m at a given instant.Its speed is increasing at rate of 2.4m/s^(2) .Angle between acceleration and velocity at the given instant is

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Knowledge Check

  • A car is moving with speed 30m//sec on a circular path of radius 500 m . Its speed is increasing at the rate of , 2m//sec^(2) , What is the acceleration of the car

    A
    `2m//sec^(2)`
    B
    `2.7 m//sec^(2)`
    C
    `1.8 m//sec^(2)`
    D
    `9.8 m//sec^(2)`

  • A car is moving with speed 20 ms ^(-1) on a circular path of radius 100 m. Its speed is increasing at a rate of 3 ms^(-2) . The magnitude of the acceleration of the car at that moment is

    A
    `1ms^(-2)`
    B
    `3ms^(-2)`
    C
    `4ms^(-2)`
    D
    `5ms^(-2)`

  • A car is moving at a speed of 40 m/s on a circular track of radius 400 m. Its speed is increasing at the rate of 3 m/ s^(2) . The acceleration of car is

    A
    4 m/`s^(2)`
    B
    7 m/`s^(2)`
    C
    5 m/`s^(2)`
    D
    3 m/`s^(2)`

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