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4m in the northward,2m in the south-east and 2m in the south-west directions.What is the displacement of the particle? A particle moves

4m in the northward,2m in the south-east and 2m in the south-west directions.What is the displacement of the particle?A particle moves

Grade:11

3 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
dear student

Divide the directions and distances in cartesian plane

north is j
east is i
step 1 4j
step 2 +sqrt(2)i -sqrt(2)j
step 3 -sqrt(2)i -sqrt(2)j

summing all the vectors

displacement is (4-2sqrt(2)) in north direction

Regards


Arun
25750 Points
4 years ago
Dear student
 
north is jeast is istep 1 4jstep 2 +sqrt(2)i -sqrt(2)jstep 3 -sqrt(2)i -sqrt(2)jsumming all the vectorsdisplacement is (4-2sqrt(2)) in north direction
Yashraj
908 Points
3 years ago
in these type of question try vectors or by making digram and apply geometry
north is j and east is i
  1.    4j
  2. 2½  - 21/2j
-21/2i-21/2j
add all veators and find the resultant displacement

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