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A ship is to reach a place 20^(@) south ...

A ship is to reach a place `20^(@)` south of west . In what direction should it be steered if angle of declination at the place is `16^(@)` west ?

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Ship has to reach `20^(@)` south of west along line OA . It should be steered west of north of magnetic north at an angle .
`phi = [90^(@) + (20^(@) - 16^(@))]`
`phi = 94^(@)` west of north
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AAKASH INSTITUTE-MAGNETISM AND MATTER -ASSIGNMENT (SECTION D)
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