Problema Solution
Vicky walks 8 km east, then 5 km south and finally 6 km west. find the final displacement?
Answer provided by our tutors
displacement along the x axis = 8-6 = 2 km east
displacement along the y axis: 5 km south
we now have a right tringle:
a = 2
b = 5
c = ?
c = (5*5 + 2*2)1/2 = 291/2
displacement = 5.38516 km south east