Physics, 14.09.2019 09:30 georgesarkes12
Abeam of 5.5 mev protons with a current of 10 ampere and a cross sectional area of 5 cm impinges on the hand of an operator. the mass stopping powers for a 5.5 mev proton in tissue p=1 g cm) are: scal/p=73.4 mev cmg' sq/p=0.0455 mev cm g! what is the dose rate to the skin of the hand where the beam impinges? 2.6e+10 rad hit 1.6e+7 radh 4.6e+3 rad h? 7.3e+6 radh 2.6e+4 rad 1
Answers: 2
Physics, 22.06.2019 01:00, blesskids600
An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.
Answers: 1
Physics, 22.06.2019 12:10, saniyawilliams1207
Energy flows from the producer level to the level. is called
Answers: 1
Physics, 22.06.2019 15:30, tiffuuu
At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.
Answers: 1
Abeam of 5.5 mev protons with a current of 10 ampere and a cross sectional area of 5 cm impinges on...
Mathematics, 18.12.2021 14:40
Social Studies, 18.12.2021 14:40
Arts, 18.12.2021 14:40
SAT, 18.12.2021 14:40
Mathematics, 18.12.2021 14:40