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Percentage error in kinetic energy from the percentage errors in mass and speed

The same question, asked 3 times: 22 Apr 2025 S2*, 20 Apr 2026 S1*, 13 May 2026 S1. Every wording below, oldest first.

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  1. Question 1

    22 Apr 2025 S2

    1
    The percentage error in the measurement of mass and speed of a particular body is 3%3\% and 4%4\% respectively. The percentage error in the measurement of kinetic energy is

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  2. Question 2

    20 Apr 2026 S1

    102
    The percentage error in the measurement of mass of a body and its speed are 0.73%0.73\% and 1.84%1.84\% respectively. The percentage error in the measurement of its momentum and kinetic energy are respectively

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  3. Question 3

    13 May 2026 S1

    101
    The percentage error in the measurement of mass and speed are 2%2\% and 3%3\% respectively. The maximum error in the estimation of kinetic energy is

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