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  • A man moves towards 3 m north then 4 m towards east and finally 5 m towards 37° south of west. His displacement from origin is

A man moves towards 3 m north then 4 m towards east and finally 5 m towards 37° south of west. His displacement from origin is

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From the figure

A man stars from point O moves 3 m towards North then 4 m towards East and reaches point B.

When he turns 37º south of west and travels 5m, then he will reach the same starting point O,

because tan37 = 0.75

and the ratio of sides OA/AB = 3/4 = 0.75

 

So the displacement will be zero

Posted by

Deependra Verma

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