The maximum permissible workday dose for occupational exposure to radiation is 11 mrem. a 77-kg laboratory technician absorbs 0.5-mev gamma rays. the relative biological effectiveness (rbe) for gamma rays is 1.00. what is the maximum number of gamma-ray photons the technician can absorb in a workday?

Ablue car pulls away from a red stop-light just after it has turned green with a constant acceleration of 0.5 m/s 2 . a green car arrives at the position of the stop-light 6.5 s after the light had turned green. if t = 0 when the light turns green, at what time does the green car catch the blue car if the green car maintains the slowest constant speed necessary to catch up to the blue car? answer in units of s.