Q.No.3.12:- Explain what is meant by projectile motion. Derive expressions for (a) the time of flight (b) the range of projectile. Show that the range of projectile is maximum when projectile is thrown at an angle of 450 with the horizontal.

Q.No.3.12:- Explain what is meant by projectile motion. Derive expressions for (a) the time of flight (b) the range of projectile. Show that the range of projectile is maximum when projectile is thrown at an angle of 45⁰ with the horizontal.

Ans: - in the book