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WEEK 6
TOPIC: RELATIVE VELOCITY
CONTENT:
SUB – TOPIC: Relative velocity
Every object or occurrence (be it real or abstract) is relative to some other object, occurrence. If a ship has a speed of 10m/s in still water, then we are referring to its speed relative to earth.
Note the following points when solving relative velocity problems:
Example 1: Ship A is sailing due East at 12m/s and ship B is sailing due North at 16m/s. Find the velocity of ship B relative to ship A.
Solution:
Magnitude Direction
AVE 12m/s – East
BVE 16m/s – North
Since BVE = BVA + AVE and we seek BVA, then BVA = BVE – AVE
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