D Question 14 12 pts You are undergoing a chest X-ray being made using a 40-keV beam. For a flux of 5.67x108 /(cm2s) estimate the dose rate (in JSv/s) to your 36.93-kg torso. D Question 15 12 pts A 269.8-cm tall control rod in a U-235 fueled LWR is inserted a small amount into the core resulting in a 1.50 cent change in the reactivity. If the initial steady-state power was 789 MW, estimate the reactor power (in MW) after 2.25 minutes (neglecting any temperature feedback). D Question 16 10 pts