Question

find the percentange error in kinetic energy
of a body having mass 60.0 +- 0.39
moving with a velocity 25.0 +- o.1 cmls.​

Answer 1

% uncertainly in mass = 0.3/60×100=0.5%

%uncertainly in velocity=

0.1/25=0.4%

K.E=1/2MV^2

K.E=m+2v

K.E=0.5+2×0.4

K.E=0.5+0.8

K.E=1.3%uncertainly

=>it is 1.3%

Answer 2

According to me,

the answer is 1.45% = 1.3% (approx.)

Thanks...

Hope it helps u....