Dynamics Part 1 upto Projectile Page 235 by M L Khanna for IIT JEE main Advanced and B.Sc. Jai Prakash Nath and Company Meerut IITJEE Engineering Entrance Series
“ Learn to light a candle in the darkest moments of someone’s life. Be the light that helps others see; it is what gives life its deepest significance. ” ― Roy T. Bennett