Question

Find the percentage error in

kinetic energy of a body of mass 60.

0+0.3g and moving with a velocity

of v= 25.0 + 0.cm/s. ​

Answer 1

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

% uncertainty in mass = 0.1/25 = 0.4%

K.E= 1/2 mv^2

K.E = m+ 2V

K.E= 0.5 + 2 x 0.4

K.E= 0.5 + 0.8

K.E= 1.3% uncertainty

Answer 2

Answer:

mass =60.0+0.3, v=25.0+-0.1

Explanation:

0.3/60.0=0.5

25.0/0.1=0.4.

k. e=1/2mv2

0.5+0.8= 1.3‰