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Question
As shown in figure, a particle starts to move from A to B and then finally stops at point C. Total displacement and distance covered by particle during its journey from A to C via B is (in m):
As shown in figure, a particle starts to move from A to B and then finally stops at point C. Total displacement and distance covered by particle during its journey from A to C via B is (in m):
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Solution
The correct option is A −3, 7
Initial position of particle, xA=1 m
Final position of particle is, xC=−2 m
Displacement,
Δx=xC−xA
=−2−1=−3 m
Note, here −ve direction implies that displacement is from 𝐴 to 𝐶 towards left.Distance,
S=|AB|+|BC|
=|3−1|+|(−2)−3|
=|2|+|−5|
=2+5=7
Final Answer: (𝑏)
Initial position of particle, xA=1 m
Final position of particle is, xC=−2 m
Displacement,
Δx=xC−xA
=−2−1=−3 m
Note, here −ve direction implies that displacement is from 𝐴 to 𝐶 towards left.Distance,
S=|AB|+|BC|
=|3−1|+|(−2)−3|
=|2|+|−5|
=2+5=7
Final Answer: (𝑏)
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