Quick Answer. The Cessna Skyhawk, a single-engine plane, has a maximum cruising speed of 124 nautical miles per hour, which is just over 140 miles per hour ground speed. A Boeing 747 typically cruises at 567 miles per hour.
Furthermore, the psychosocial effects of extreme events have commonly been viewed as resulting from a complex array of primary and secondary stressors. Primary stressors have been defined as stress that is âinherent in particular major incidents, disasters and emergencies and arising directly from those eventsâ .
Spelling and notation for stress. 1  In the International Phonetic Alphabet (IPA), primary stress is indicated by a high vertical line before the stressed element, secondary stress by a low vertical line. For example, [sÉªËlÃ¦bÉfÉªËkeÉªÊÉn] or /sÉªËlÃ¦bÉfÉªËkeÉªÊÉn/. Extra stress can be indicated by doubling the symbol: ËËâ.