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Grade: 11

                        

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

5 months ago

Answers : (3)

Saurabh Koranglekar
askIITians Faculty
8394 Points
							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


5 months ago
Arun
24738 Points
							
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
5 months ago
Yashraj
324 Points
							
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
4 months ago
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