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A bird moves in such a way that it has a...

A bird moves in such a way that it has a displacement of 12 m towards east, 5 m towards north and 9 m vertically upwards. Find the magnitude of its displacement

A

`5 sqrt(2) m`

B

`5 sqrt(10) m`

C

`5 sqrt(5) m`

D

5m

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-MOTION IN A PLANE-EXERCISE-2 (Addition, Subtraction and Resolution)
  1. Two vectors a and b have equal magnitudes of 12 units. These vectors a...

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

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  3. A bird moves in such a way that it has a displacement of 12 m towards ...

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  4. The direction cosines of a vector vecA are cos alpha=(4)/(5sqrt(2)),co...

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  5. If vecP=hati+2hatj+6hatk tits direction cosines are

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  6. If vecA=2hati-3hatj+4hatk its components in yz plane and zx plane are ...

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  7. If vectors vecA and vecB are 3hati - 4hatj + 5hatk and 2hati + 3hatj -...

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  8. A vector 3hati+4hatj rotates about its tail through an angle 37^(@) in...

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

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

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  11. The magnitudes of two vectors vecP and vecQ differ by 1. The magnitude...

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  12. Given a +b+c+d=0 which of the following statement is incorrect

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

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  14. Eleven forces each equal to 5N act on a particle simultaneously. If ea...

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  15. Which of the following sets of forces acting simultaneously on a parti...

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  16. The resultant of two forces 1 and Pis perpendi cular to 'l' and equal ...

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  17. If the sum of two unit vectors is also a vector of unit magnitude, the...

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  18. If vecP + vecQ = vecR and vecP - vecQ = vecS , then R^(2) + S^(2) is ...

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  19. The greater and least resultant of two forces are 7 N and 3 N respecti...

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  20. Two forces are such that the sum of their magnitudes is 18 N, the resu...

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