How can you reduce the exposure to ionizing radiation? a. don't live near a nuclear facility. b. stand at least two inches away from the radiation source. c. spend as little time as possible in a radiation field. d. avoid standing next to a metal doorway.

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.