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Question

A body is traveling in a straight line. It moves AB that is 5 m towards the east, BC that is 4 m towards noth-east while making 30o with north and CD that is 7 m in the west direction. Calculate the resultant displacement.     [2 MARKS]


Solution

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Answer: 1 Mark

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Displacement is the minimum distance between two points.
AD=4cos30=23

Resultant displacement is AD=23m towards north.
 

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