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A person runs along a circular path of r...

A person runs along a circular path of radius 5 m. If he completes half of the circle find the magnitude of the displacement vector, How far the person ran ?

A

`10 , , 5pi m`

B

`5 pi m 10 m`

C

`5 pi m, 19 m`

D

`14 m, 10 p m`

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A
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AAKASH SERIES-MOTION IN A PLANE-EXERCISE-2 (Addition, Subtraction and Resolution)
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  5. One of the rectangular components of a velocity of 20 ms^(-1) is 10 m...

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  6. A car weighing 100kg is on a slope that makes an angle 30° with the ho...

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  9. Angle (in rad) made by the vector sqrt(3)hati + hatj with the x-axis i...

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  12. If vecP=hati+2hatj+6hatk its direction cosines are

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  13. If A = 2i - 3 j + 4k its components in yz plane and zx plane are respe...

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  14. If vectors vecA and vecB are 3 hati - 4 hatj + 5 hatk and ...

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  15. A vector sqrt(3)hati + hatj rotates about its tail through an angle 3...

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  16. Maximum and minimum magnitudes of the resultant of two vectors of magn...

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  17. The resultant of two equal forces is 141.4N when they are mutually per...

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  18. The magnitudes of two vectors vecP and vecQ differ by 1. The magnitud...

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  19. Which of the following statement is incorrect

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  20. The resultant of two forces 2P and sqrt(2)P is sqrt(10)P The angle bet...

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