A Proton (Rest Energy = 938 MeV)is Confined in a Space

Multiple Choice

A proton (rest energy = 938 MeV) is confined in a space of length 3.0 $\times$ 10^-15 m,about the size of a light-weight nucleus.The minimum uncertainty in its momentum is approximately

A) 2.2 $\times$ 10^-17 kg · m/s
B) 5.5 $\times$ 10^-18 kg · m/s
C) 3.6 $\times$ 10^-18 kg · m/s
D) 1.8 $\times$ 10^-20 kg · m/s
E) 8.8 $\times$ 10^-19 kg · m/s