Question

. A worker covers a distance of 40 km from his house to his place of work, and 10 km towards his house back. Then the displacement covered by the worker in the whole trip is--- *
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Answer 1

Answer:

DISPLACEMENT = 30KM

Explanation:

THE WORKER MOVES FORWARD FOR 40KM

AND AGAIN BACKWARDS FOR 10KM

THEREFORE

DISPLACEMENT IS THE SHORTEST PATH FROM INITIAL POSITION TO FINAL POSITION

SO CONSIDER A LINE ABC

AC = 40KM

THEREFORE HE MOVES BACKWARD 10 KM

SO

BC = 10

SO AB = AC - BC

AB = 30KM

DISPLACEMENT = 30KM

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