PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
A ship sails along three successive legs: (i) 5km at 45∘ north of east, (ii) 12km due south, and (iii) 5km due east. Calculate the magnitude of the ship’s resultant displacement from its starting point (answer to the nearest kilometre).
(a) 17 km
(b) 10 km
(c) 12 km
(d) 7 km