Hi Parents, we are starting a batch for 2017-19 for IIT JEE Main & Advance plus NEET. IIT Foundation is a course to be undertaken from 9th On wards, do not waste your money from VII/VIII...
Q. A body of mass 5 kg, initially at rest, explodes and breaks into three fragments of masses in the ratio 1: 1 : 3. The two fragments of equal masses fly off perpendicular to each other, each with a...