5 A person stands on level ground 60 m from the nearest point of a cylindrical tank of radiun length 20 m.Calculate a the circumference of the tank 60 m 20 m $0 b the percentage of the circumference that is visible to the person. Note: In the diagrams, the point O is the centre of the circle and PAO-PBO.
5 A person stands on level ground 60 m from the nearest point of a cylindrical tank of radiun length 20 m.Calculate a the circumference of the tank 60 m 20 m $0 b the percentage of the circumference that is visible to the person. Note: In the diagrams, the point O is the centre of the circle and PAO-PBO.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:5 A person stands on level ground 60 m
from the nearest point of a cylindrical
tank of radiun length 20 m.Calculate
a the circumference of the tank
60 m
20 m
$0
b the percentage of the circumference
that is visible to the person.
Note: In the diagrams, the point O is the centre of the circle and PAO-PBO.
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