What is an unpredictable situation that includes danger or risk of danger ? a(n) is a situation that could not be predicted and must be dealt with immediately because it is dangerous or may become dangerous.

A"car"initially"at"rest"experiences"a" constant"acceleration"along"a"horizontal" road."the"position"of"the"car"at"several" successive"equal"time"intervals"is" illustrated"here. between"which"adjacent"positions"is"the" change"in"kinetic"energy"of"the"car"the" greatest