Question

A man moves 200 km towards North-East direction. Taking i and j as unit vectors along east and north directions respectively. find the displacement of the man along north and east directions​

Answer 1

Hey mate! Here's your answer!!

Since, the man goes to north-east direction,

he makes 45 degree with each direction.As

shown in figure direction along east

direction = 200 × cos 45 = 200/ √2= 100√2 km

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