Course: 2017 Fall CM 33 × \\ 9 Turnaround Basic funda \\ D Turnaround Basic Fund
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Question
Course: 2017 Fall CM 33 × 9 Turnaround Basic funda D Turnaround Basic Funde WileyPLUS e Physics question I che9: × C Secure | https://edugen.wileyplus.com/edugen/student/mainfr.uni el watch NBA Live Stre D D : Apps Home CDHPConnected Watch NHL Live Stre Read, Stuay & PracticeA 2015-Bianchi-Order, New Tab 2017-browning-catal KION DOwnioaaapie eiextTDOOK GradeDooK Assignment > Open Assignment FULL SCREEN PRINTER VERSION BACK NEXT ASSIGNMENT RESOURCES Chapter 31, Problem 44 GO Stadler Outside the nucleus, the neutron itself is radioactive and decays into a proton, an electron, and an antineutrino. The half-life of a neutron (mass 1.675 x 1027 kg) outside the nucleus is 10.4 min. On average, over what distance x would a beam of 6.03-ev neutrons travel before the number of neutrons decreased to 75.0% of its initial value? Ignore relativistic effects the tolerance is +/-2% GO TUTORIAL er 31, Problem 41 hapter 31, Problem 44 GO LINK TO TEXT Question Attempts: UnlimitedSAVE FOR LATER SUBMIT ANSWER powered by 8-12 PM O Type here to search 11/29/2017Explanation / Answer
In radioactive decay
N = No e- lamda t
Ln(No/N) = lamda t = Ln(2) t / T1/2
t = Ln(No/N) T1/2 / Ln2
No is inititial number of neutron , N is number of neutrons after time t, T1/2 is half life
t = Ln(4/3)*10.4 / Ln2 = 4.3 min.
Kinetic energy of neutrons, K = mv2/2 = 6.03*1.6x10-19 J
v = 3.4x104 m/s
Distance x = vt = 3.4x104*4.3*60 = 8.7*106m