Question

find the percentage error in kinetic energy of a body having mass 60.0+0.3g moving with velocity 25.0+0.1cm/s​

Answer 1

Answer:

The % uncertainty in mass = 0.3/60×100=0.5%

and % uncertainty in mass = 0.1/25×100=0.4%

KE =

2

1

mv

2

KE = m + 2v

KE = 0.5 + 2×0.4

KE = 1.3% uncertainty.