A man has to go home ,50 m due north ,40m due east and 20m due south to reach a cafe from his home . what is his displacement from his home to cafe
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displacement is equal to south direction which 20m so the displacement is equal to 20m
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It's 50 m bcoz 20m south distance cancels the 50 m north distance by 20 m.After that you can apply Pythagoras theorem
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