A body goes 50 km east then 30 km north then
70 km west and then 60 km east. Find the
displacement of the body from the initial position
(1) 65 km
427 50 km
(3) 55 km
(4) 45 km
Answers
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Answer:-
BC=30km.
CD=70km.
DE=60km.
CE=10km.
AB=50km.
AO=40km.
AO=40km.
OE=30km.
By joining the initial and final positions a triangle is formed.which is right angled at O.
so,
By applying pythagoras theorem
so, the displacement of the body is 50km(2nd option).
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