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A ship is moving due east with a velocit...

A ship is moving due east with a velocity of 12 m/ sec, a truck is moving across on the ship with velocity 4 m/sec. A monkey is climbing the vertical pole mounted on the truck with a velocity of 3m/sec. Find the velocity of the monkey as observed by the man on the shore

A

10 m/sec

B

15 m/sec

C

13 m/sec

D

20 m/sec

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Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-APPENDICES (REVISION EXERCISE)-MOTION IN A PLANE
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  8. It is raining at a speed of 5 ms^(-1) at an angle 37^@ to vertical, to...

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  9. Rain pouring down at an angle a with the vertical has a constant speed...

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  10. A man runs along a horizontal road on a rainy day. His umbrella vertic...

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  11. The velocity of a boat in still water is 10 m/s. If water flows in the...

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  12. A river is of width 120m which flows at a speed pf 8ms^(-1). If a man ...

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  13. A boat takes 4 hrs to travel certain distance in a river in down strea...

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  14. A person rows a boat across a river making an angle of 60^@ with the d...

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  15. A boatman finds that he can save 6 s in crossing a river by the quicke...

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  16. A projectile is thrown at an angle of 30^(@) with a velocity of 10m/s....

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  17. A body projected obliquely with velocity 19.6ms^(-1) has its kinetic e...

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  18. It is possible to project a particle with a given speed in two possibl...

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  19. The range of a particle when launched at an angle of 15^(@) with the h...

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