please answer fast for class 11
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Answer:
11 : 7 √2
Explanation:
distance is the length of the arc.
length of arc= 2 pie r (90/360)
= 2 (22/7) ( 1/4)
= 11/7 r
Displacement is the hypotenuse of the right angle triangle
Hypotenuse = √(r²+r²)
= √(2r²)
= r √2
ratio = (11/7) r : r√2
= 11 : 7 √2
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