Predicting the outcome of a crash test
what will happen to a test dummy during a crash test if its seatbelt is not buckled?
the test dummy will stop when the car stops.
the test dummy will continue forward until it makes contact with another object.
o the test dummy will strike and rebound continuously within the interior of the car
the test dummy will remain motionless.

this is an example of "committed" time.

committed time, as contracted time, takes need over essential and available time since it is seen as profitable work. it alludes to the time allotted to keep up a home and family. at the point when a man is commuting using committed time this individual may feel that the drive is an obligation to family, for example, strolling youngsters to class or driving a mate to work. contracted and committed time clients may feel that their commute could really compare to the commute of important or leisure time clients on the grounds that their commute is profitable work. in this manner, they might be more disposed to pick a mechanized method of movement.  

pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y