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Percentage error in the measurement of mass and speed are 2% and 3% respectively. The error in the measurement of kinetic energy obtained by measuring mass and speed will be
A. 0.12
B. 0.1
C. 0.08
D. 0.05

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Best answer
Correct Answer - C
`K=1/2mv^2`
`:. %` error in `K =` (`%` error in `m`) `+2`(`%` error in `v`).

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