Question

Problem 7.45 13 of 15 Constants A radioactive nucleus at rest decays into a second nucleus, an electron, and a neutrino. The electron and neutrino are emitted at right angles and have momenta of Pe = 9.43x10-23 kg.m/s and p = 8.47x10-23 kg-m/s, respectively. (Figure 1) Part A Determine the magnitude of the momentum of the second (recoling) nucleus. Express your answer to three significant figures and include the appropriate units. Figure < 1 of 1 НА ? +y Рас Pue Value Units PLC OR Submit Answer +x 0 Pe Part 8 Pv Determine the angle between the momentum of the electron and the momentum of the second (recoiling) nucleus. Express your answer using three significant figures.

Answer 1

У <> Đuu. e X Let momentum of the second nuclens In pirn Phot s2 ) + Puy Prucov (P nx) ²+ (Pay)? conss deri ng momentum conservation along ta initial nuckus Pe - Pua was at rest ) lami - 23 Pnx = Pe 9.43 810 kg-m/s. conservation along ty considering momentan Phy Py = 0 =þy Pny - 23 6.47 xi kg-m/s. A) Hence. momentum of second ruches. magnitude of the Phuc = √ (Pne)" - (Phy)" (9.43)2+(6:47) 1023 Phuc 11.496X1023 kg-mis 23 11.436 X 102 Anue 180° - tani's РУ ca Pure 2 180° - tani' (9:43 6.47 onuc 124.454 124.454