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  1. In Simple Harmonic Motion (SHM), the displacement x and velocity v are related as: x = A sin(ωt) v = dx/dt = Aω cos(ωt) Because sin(ωt) and cos(ωt) differ by a phase of π/2 rad, the phase difference between displacement and velocity is π/2 rad. Click here for more: https://www.tiwariacademy.com/ncerRead more

    In Simple Harmonic Motion (SHM), the displacement x and velocity v are related as:
    x = A sin(ωt)
    v = dx/dt = Aω cos(ωt)

    Because sin(ωt) and cos(ωt) differ by a phase of π/2 rad, the phase difference between displacement and velocity is π/2 rad.

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  2. (c) Lentil is a pulse while other options are cereals. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/

    (c) Lentil is a pulse while other options are cereals.

    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/

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  3. For Simple Harmonic Motion (SHM), the velocity v is expressed by: v = Aω cos(ωt) The maximum velocity (v_max) is found when cos(ωt) = 1, hence: v_max = Aω where: - A is the amplitude, - ω is the angular frequency. Therefore, the maximum velocity of a simple harmonic oscillator is Aω. Click here forRead more

    For Simple Harmonic Motion (SHM), the velocity v is expressed by:
    v = Aω cos(ωt)

    The maximum velocity (v_max) is found when cos(ωt) = 1, hence:
    v_max = Aω

    where:
    – A is the amplitude,
    – ω is the angular frequency.
    Therefore, the maximum velocity of a simple harmonic oscillator is Aω.

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  4. The correct answer is: (b) Indira Point Explanation: Indira Point is the southernmost point of the Indian Union, located in the Nicobar Islands of the Andaman and Nicobar Islands. It is situated on Great Nicobar Island in the Bay of Bengal. This question related to Chapter 1 Social Science Class 9thRead more

    The correct answer is: (b) Indira Point
    Explanation: Indira Point is the southernmost point of the Indian Union, located in the Nicobar Islands of the Andaman and Nicobar Islands. It is situated on Great Nicobar Island in the Bay of Bengal. This question related to Chapter 1 Social Science Class 9th NCERT. From the Chapter 1 India- Size and Location. Give answer according to your understanding.

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