Question

(OR)
Show that the total mechanical energy of a freely falling body remains constant throughout its fall
37. What is projectile? Show that the path of the projectile is parabola. Derive expressions for
(a) Maximum height (b) Time of flight and (c) Range
ION)​

Answer 1

Answer:

1. According law of conservation of energy, "Energy can not be created nor destroyed but can be converted from one form to another." so energy of system remains constant.
2. Projectile motion is two dimensional motion under constant acceleration due to gravity.