Physics And Measurement Question 165

Question: The percentage errors in the measurement of mass and speed are 2% and 3% respectively. How much will be the maximum error in the estimation of the kinetic energy obtained by measuring mass and speed

Options:

A) 11%

B) 8%

C) 5%

D) 1%

Show Answer

Answer:

Correct Answer: B

Solution:

$ E=\frac{1}{2}mv^{2} $

% Error in K.E. = % error in mass + 2 × % error in velocity = 2 + 2 × 3 = 8 %



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