Question

A person moves 30 m north ,then 20 m east then 30√2 m south-west .His displacement from the original position is

Answer 1

Answer:

Explanation:

30 m north = 30j

20m east = 20i

30√2 south west = -30i-30j(resolution of vectors southwest makes an angle 45 with south and west)

displacement= -10i=10m towards west

Answer 2

Answer:

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