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To go from town A to town B a plane must...

To go from town A to town B a plane must fly about 1780 km at an angle of 30° West of North. How far north of A is B ?

A

1542 km

B

1452 km

C

1254 km

D

11 km

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

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

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  3. To go from town A to town B a plane must fly about 1780 km at an angle...

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  4. Two vectors a and b have equal magnitudes of 12 units. These vectors a...

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

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

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

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

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

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

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

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

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

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

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  15. Which of the following statement is incorrect

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

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

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

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  19. The resultant of two forces 1 and P is perpendicular to ' 1' and equal...

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  20. If the difference of two unit vectors is also a vector of unit magnitu...

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