A small boat S, drifting in the sea, is modelled as a particle moving in a straight
Question:
A small boat S, drifting in the sea, is modelled as a particle moving in a straight line at constant speed. When first sighted at 09:00, S is at a point with position vector (−2i − 4j) km relative to a fixed origin O, where i and j are unit vectors due east and due north respectively. At 09:40, S is at the point with position vector (4i − 6j) km.
a. Calculate the bearing on which S is drifting.
b. Find the speed of S.
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To calculate the bearing on which the boat S is drifting we need to find the angle between the boats ...View the full answer
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Related Book For 
Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS
ISBN: 9781292183398
1st Edition
Authors: Greg Attwood
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