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A straight highway leads to the foot of a tower. A man standing at the top of the tower observes a car at an angle of depression of `30o` , which is approaching the foot of the tower with a uniform speed. Six seconds later, the angle of depres

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The correct Answer is:
`25sqrt(3)` m
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A straight highway leads to the foot of a tower. A man standing at the top of the tower observes a car at angle of depression of 30o , which is approaching to the foot of the tower with a uniform speed. Six seconds later, the angle of depression of the car is found to be 60o . Find the further time taken by the car to reach the foot of the tower.

A straight highway leads to the foot of a tower. A man standing at the top of the tower observes a car at angle of depression of 30^0, which is approaching to the foot of the tower with a uniform speed. Six seconds later, the angle of depression of the car is found to be 60^0dot Find the further time taken by the can to reach the foot of the tower.

A straight highway leads to the foot of a tower of height 50m .From the top of the tower,the angles of depression of two cars standing on the highway are 30o and 60o respectively. What is the distance between the two cars and how far is each car from the tower?

From the top of a cliff 300 metres high, the top of a tower was observed at an angle of depression 30^@ and from the foot of the tower the top of the cliff was observed at an angle of elevation 45^@ , The height of the tower is

At a point 20 m away from the foot of a tower, the angle of elevation of the top of the tower is 30^@ The height of the tower is

From the top of a 10 m high building, the angle of elevation of the top of a tower is 60^@ and the angle of depression of its foot is 45^@ . Find the height of the tower

From the top of a 7m high building,the angle of elevation of the top of a tower is 60 and the angle of depression of the foot of the tower is 30. Find the height of the tower.

EDUCART PUBLICATION-INTRODUCTION TO TRIGNOMETRY AND ITS APPLICATIONS -LONG ANSWER TYPE QUESTIONS
  1. From the top of a 7m high building, the angle of elevation of the t...

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  2. The angle of elevation of the top of a tower from a certain point i...

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  3. A straight highway leads to the foot of a tower. A man standing at ...

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  4. The angle of elevation of the top of a building from the foot of the ...

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  5. If 1+sin^(2)theta = 3sinthetacostheta, then prove that tantheta=1 or 1...

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  6. From a point on the ground the angles of elevation of the bottom an...

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  7. A vertical tower stands on a horizontal land and is surmounted by a ve...

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  8. From a point on the ground, the angles of elevation of the bottom and...

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  9. A boy standing on a horizontal plane finds a bird flying at a distance...

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  10. If sin theta + cos theta = p and sec theta + "cosec"theta = q, then p...

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  11. The angle of elevation of a jet plane from a point A on the grou...

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  12. Prove that: ((1+ cot theta + tan theta)(sin theta - cos theta))/(sec^(...

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  13. If sec theta + tan theta = m, show that ((m^(2) -1))/((m^(2) +1)) = ...

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  14. A moving boat is observed from the top of a 150 m high cliff moving aw...

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  15. A ladder rests against a vertical wall at inclination alpha to the hor...

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  16. There are two temples, one on each bank of a river, just opposite t...

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  17. A boy standing on a horizontal plane finds a bird flying at a distance...

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  18. prove that: (tan theta)/(1-cot theta)+(cot theta)/(1-tan theta)=1+sec ...

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  19. The lower window of a house is at a height of 2m above the ground and ...

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  20. Prove that: (sin theta)/(cot theta + "cosec"theta) = 2 + (sin theta)/(...

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