Most of us first hear about the irrational number π (pi)—rounded off as 3.14, with an infinite number of decimal digits—in ...

Energy is conserved. It cannot be created or destroyed. Energy can be transferred between stores. The total energy has the same value before and after any changes. A diving platform is 10 m above the ...

BENGALURU: Everyone has studied the irrational number π (pi) in school and wondered what is its use in modern day life.

A 3.5 kg cat climbs a tree. The tree is 5.6 m high. How much gravitational potential energy has the cat gained? (g = 10 N/kg) ...