1.

A boy moves 24m towards south and and then 7m towards east.What is the distance travelled by body also find its displacement.

Answer»

e he travelled = 24+7 = 31mdisplacement is the shortest distancewhen we draw DIAGRAM we get a TRIANGLE(RIGHT angled) and the hypotenuse will be the displacement. so, by pythagoras theoremso hyp² = 24² + 7²   hyp = √576+49   hyp = √625   hyp = 25so the displacement = 25M



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