The angle of elevation of the top of a tower is \( 30^{\circ} \) and on moving \( 20 \mathrm{~m}...

Channel:
PW Solutions
Subscribers:
453,000
Published on ● Video Link: https://www.youtube.com/watch?v=Mko3ZEXnNhM


Duration: 6:28
0 views
0

The angle of elevation of the top of a tower is \( 30^{\circ} \) and on moving \( 20 \mathrm{~m} \) nearer, the angle of elevation becomes \( 60^{\circ} \). Find the value of a, if the height of the tower is \( (2 \mathrm{a} \sqrt{3}) \mathrm{m} \).
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2023-07-14The angle of elevation of the top of an unfinished tower at a point distant \( 100 \mathrm{~m} \...
2023-07-14If the angle of elevation of a cloud from a point \( y \) metres above a pond is \( \alpha \) an...
2023-07-14The angle of elevation of the top of a building from a certain point is \( 30^{\circ} \). If the...
2023-07-14A tree which is \( 6 \mathrm{~m} \) tall casts a shadow of length \( 4 \mathrm{~m} \) on the gro...
2023-07-14When suns elevation is \( 30^{\circ} \), the shadow of a tower standing on a level plane is foun...
2023-07-14If a boy standing on a platform 3 metres above the surface of a pond observes a cloud and its re...
2023-07-14The line drawn from the eye of an observer to the point in the object viewed by the observer is ...
2023-07-14If a pole is \( 6 \mathrm{~m} \) high and it casts a shadow of length \( 2 \sqrt{3} \mathrm{~m} ...
2023-07-14The angle formed by the line of sight with the horizontal when the point being viewed is above t...
2023-07-14The angles of elevation of the top of a pole from two points distant \( \mathrm{s} \) and \( \ma...
2023-07-14The angle of elevation of the top of a tower is \( 30^{\circ} \) and on moving \( 20 \mathrm{~m}...
2023-07-14When the length of shadow of vertical pole is equal to its height, the angle of elevation of the...
2023-07-14If a ladder 15 metres long, leaning against a wall, makes an angle of \( 60^{\circ} \) with the ...
2023-07-14A bird is sitting on the top of a \( 80 \mathrm{~m} \) high tree. From a point on the ground, th...
2023-07-14At the foot of a cliff the elevation of its summit is \( 45^{\circ} \); after ascending \( 1000 ...
2023-07-14The angle of elevation of a hill from a fixed point is \( \theta \). After going up a distance o...
2023-07-14A pole is \( 100 \sqrt{3} \) metres high. Find the value of a if the angle of elevation of its t...
2023-07-14A tower stands vertically on the ground. From a point \( 20 \mathrm{~m} \) away from the foot of...
2023-07-14The angle of elevation of a tower at a station \( \mathrm{P} \) due north of it is \( \alpha \) ...
2023-07-14Two stations due south of a leaning tower which leans towards the north are at distance a and b ...
2023-07-14An airplane while flying at a height of \( 4000 \mathrm{~m} \) from the ground passes vertically...