a boy moves 5m towards east 4m towards north and again 8m towards west calculate the net displacement
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Boy moves 5m east
Displacement = 5i
then 4m towards north
displacement= 5i + 4j
again 8m west
displacement = 5i + 4j - 8i = -3i + 4j
Net displacement = √(3^2 + 4^2) = √25 = 5m
net displacement is 5m
Displacement = 5i
then 4m towards north
displacement= 5i + 4j
again 8m west
displacement = 5i + 4j - 8i = -3i + 4j
Net displacement = √(3^2 + 4^2) = √25 = 5m
net displacement is 5m
Answered by
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8-5=3
4
so the answer is 4 square + 5square
=25
==5
4
so the answer is 4 square + 5square
=25
==5
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