1.

Find the percentage error in kinetic energy of a bodyof mass m 60.0 0.3g and moving with a velocityof v 25.0 + 0.1 cm/s.7)

Answer»

%Uncertainty in mass= 0.3/60 x100 = 0.5%

% uncertainty in mass = 0.1/25 = 0.4%

K.E= 1/2 mv^2K.E = m+ 2V

K.E= 0.5 + 2 x 0.4

K.E= 0.5 + 0.8

K.E= 1.3% uncertainty.



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