Question

If the average percentage in the mass and the velocity of the object plus -2% and plus -3% respectively then what is the percentage error in the kinetic energy

Answer 1

Answer:

KE = 1/2MV^2

∆KE/KE = ∆M/M + 2∆V/∆V

∆KE/KE = 2 + 6 = 8%

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