A car is driven 145 km west and then 65 km southwest. What is the displacement of the car from the point of origin (magnitude and direction)?
2 answers
what is the degrees south of west is what I need to know
tan^-1 [(south vector component)/(west vector component)]
= tan^-1 [(65*.707)/(65*.707 + 145)]
= tan^-1(0.2407)
= 13.5 degrees
= tan^-1 [(65*.707)/(65*.707 + 145)]
= tan^-1(0.2407)
= 13.5 degrees
1 answer