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During measurement of kinetic energy , the percentage error in measurement of mass of particle and momentum of particle are 2% and 3%, respectively. The percentage error in measurement of kinetic energy is ________________.

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answer is 7.

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Detailed Solution

Let Kinetic energy be T, then∵T=p22m or ΔTT=2Δpp+ΔmmPercentage error in kinetic energy is =2×2+3=7%∴ n=7

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During measurement of kinetic energy , the percentage error in measurement of mass of particle and momentum of particle are 2% and 3%, respectively. The percentage error in measurement of kinetic energy is ________________.