A helium balloon leaves the ground at a point A and rises vertically at uniform speed. At the end of 5 minutes, Raju finds the angular elevation of the balloon as 30°. If the point at which Raju is standing is 550 m away from point A, what is the speed of the balloon in m/s?
There is something I don't understand about algebra: It has been around for thousands of years, yet no one has ever found out what the value of "x" or "y" really is.
Richard van der Merwe
As a toddler when I looked at my fingers and wondered,
you helped me to count numbers.
As a kid when I looked at stars with awe,
you helped me and told that's infinity.
As a teen when my confused mind often went blank,
you told that's zero and eventually