Asked by Angela
you drive 2.0 km east and then 1.0 km northeast. What is your total displacement from the starting point?
Answers
Answered by
TutorCat
break it down to horizontal and vertical components
y=1km(sin45)
x=(1km)(cos45)+2km
find displacement by basic Pythagorean theorem.
sqrt(x^2+y^2)
displacement is a vector so it has direction
tan^(-1)(y/x)
y=1km(sin45)
x=(1km)(cos45)+2km
find displacement by basic Pythagorean theorem.
sqrt(x^2+y^2)
displacement is a vector so it has direction
tan^(-1)(y/x)