Question
A car travels 15.5 km due north and then
38.6 km in a direction φ = 74.3
◦ west of
north.Find the magnitude of the car’s resultant
displacement.
Answer in units of km
38.6 km in a direction φ = 74.3
◦ west of
north.Find the magnitude of the car’s resultant
displacement.
Answer in units of km
Answers
bobpursley
d=15.5N+38.6cos74.3 N + 38.6Sin74.3 W
combine the N, then the W
mag d= sqrt (n^2 + W^2)
combine the N, then the W
mag d= sqrt (n^2 + W^2)