A ladder on the platform of a firebrigad...

A ladder on the platform of a firebrigade van can be elevated at an angel of `70^(@)` to the maximum. The length of the ladder can be extended upto `20m`.If the platform is `2m` above the ground, find the maximum height from the ground upto which the ladder can reach `(sin 70^(@)=0.94)`

Text Solution

Verified by Experts

The correct Answer is:

The maximum height from the ground upto which the ladder can reach is 20.80 metres.

Topper's Solved these Questions

TRIGONOMETRY
TARGET PUBLICATION|Exercise Activities for practice|3 Videos
TRIGONOMETRY
TARGET PUBLICATION|Exercise Multiple Choice Questions|27 Videos
TRIGONOMETRY
TARGET PUBLICATION|Exercise Practice Set 6.2|6 Videos
STATISTICS
TARGET PUBLICATION|Exercise Problem Set-6|5 Videos

Similar Questions

Explore conceptually related problems

A ladder 25 m long reaches a window of a building 20 m above the ground. Determine the distance of the foot of the ladder from the building.

A 50 m long ladder reaches a window 14 m above the ground. Find the distance of the foot of the ladder from the base of the wall.

A ladder 10 m long reaches a window 8m above the ground.Find the distance of the foot of the ladder from the base of the wall.

A cylindrical tank has a hole of 1cm^(2) in its bottom. If the water is allowed to flow into the tank from a tube above it at the rate of 70cm^(3)//sec , then the maximum height up to which water can rise in the tank is

The height of a T.V. tower is 300 m. What is the maximum distance upto which T. V. signals can be received ? ( R = 6400 km)

If the section of a bridge on a river is an arc of a circle of radius 88.2m, then the maximum speed with which a car can travel over the bridge without losing contact with the ground level will be

A cricketer can throw a ball to a maximum horizontal distance of 100 m. How much high above the ground on the cricketer throw the same ball?

Keeping the banking angle same, to increase the maximum speed with which a vehicle can travel on the curve road by 10 %, the radius of curvature of the road has to be changed from 20 m to

TARGET PUBLICATION-TRIGONOMETRY -Problem set - 6

(3) 1 + tan^2 theta =?
Text Solution
|
What we see at a higher level from the horizontal line, angle formed i...
Text Solution
|
If sin theta = 11/61 find the values of cos theta using trigonometric...
Text Solution
|
(1) If tan theta=2, find the values of other trigonometric ratios usin...
Text Solution
|
If sec theta = 13/12, find values of other trigonometric ratios.
Text Solution
|
Prove that : sec theta (1 - sin theta ) (sec theta + tan theta ) = 1
Text Solution
|
Prove : (sec theta+tan theta)(1-sin theta)=cos theta.
Text Solution
|
Prove that : sec^(2)theta+"cosec"^(2)theta=sec^(2)theta*"cosec" ^(2)t...
Text Solution
|
Prove the following : cot^2 theta - tan^2 theta = cosec^2 theta -sec^2...
Text Solution
|
Prove that : tan^(4)theta + tan^(2)theta = sec^(4)theta - sec^(2) th...
Text Solution
|
Prove 1/(1+sintheta)+1/(1-sintheta) = 2 sec^2 theta
Text Solution
|
Prove the following : sec^6 x - tan^6 x = 1 + 3 sec^2 x times tan^2 x
Text Solution
|
Prove the following : (tan theta) / (sec theta + 1) = (sec theta - 1) ...
Text Solution
|
Prove the following: (tan^3 theta - 1)/(tan theta - 1) = sec^2 theta ...
Text Solution
|
Prove that (sin theta - cos theta +1)/(sin theta + cos theta -1) = (...
Text Solution
|
A boy standing at a distance of 48 meters from a building observes the...
Text Solution
|
From the top of a lighthouse, an observer looks at a ship and finds th...
Text Solution
|
Two buildings are in front of each other on a road of width 15 meters....
Text Solution
|
A ladder on the platform of a firebrigade van can be elevated at an an...
Text Solution
|
While landing at an airport, a pilot made an angle of derpession of 20...
Text Solution
|