Ever wondered why ships don't sink? Or why the chimney of a lantern has holes near the bottom?
Curious Topper readers posed these questions in our Topper's Ask The Expertand our panel of experts received an answer within 72 hours!
Q. What special qualities are given to the ship so that it can float on water?
Posted by: Neelimathegr8
A. The density of iron is more than the density of water. But still the ship does not sink because it has a large volume. So it displaces a large volume of water which provides a large upthrust. This upthrust balances the weight of the ship and helps the ship to float.
A. 22/7 is only approximate value of pie. So, it should not be confused with pie being a rational number just because it can be expressed as p/q form with q not equal to zero and p and q being integers.
Also the decimal representation of pie is non terminating, non repeating which is how it qualifies to be a member of the irrational numbers set.
Moreover, pie is the ratio of the circumference 2 pie r of a circle of radius r with the diameter 2 pie.