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How total energy of SHM changes with amplitude and frequency

This type of question, asked 2 times: 9 May 2023 S2, 19 May 2026 S2. All 2 questions below, oldest first.

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  1. Question 1

    9 May 2023 S2

    12
    A musical instrument 'P' produces sound waves of frequency 'n' and amplitude 'A'. Another musical instrument 'Q' produces sound waves of frequency n4\frac{n}{4}. The waves produced by 'P' and 'Q' have equal energies. If the amplitude of waves produced by 'P' is 'APA_P', the amplitude of waves produced by 'Q' will be

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  2. Question 2

    19 May 2026 S2

    119
    The total energy of a particle executing SHM is EE. If the amplitude is doubled and the frequency is halved, the new total energy will be

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