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A hall has the dimensions 10 m xx 12 m x...

A hall has the dimensions `10 m xx 12 m xx 14 m`. A fly starting at one corner ends up at a diagonally opposite corner. What is the magnitude of its displacement

A

16 m

B

17 m

C

18 m

D

21 m

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The correct Answer is:
D
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MOTION-VECTOR & CALCULUS-EXERCISE -2 (LEVEL - I) OBJECTIVE PROBLEMS
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  3. A vector is not changed if

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  6. If the angle between two forces increases, the magnitude of their resu...

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  8. Vector vec(A) is 2cm long and is 60^(@) above the x-axis in the first ...

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  10. If veca = x(1) hati + y(1)hatj & vecb = x(2)hati + y(2) hatj. The cond...

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  11. A vector vecA points vertically upward and vecB points towards north. ...

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  17. If y=2sin(omegat+phi) where omega and phi constants then (dy)/(dt) wil...

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