![A projectile of mass 1 kg is launched at an angle of 30ยฐ from the horizontal direction at ๐ก = 0 and takes time ๐ before hitting the ground](https://www.gkseries.com/blog/wp-content/uploads/2023/09/A-projectile-of-mass-1-kg-is-launched-at-an-angle-of-30ยฐ-from-the-horizontal-direction-at-๐ก-0-and-takes-time-๐-before-hitting-the-ground-1.jpg)
Q. A projectile of mass 1 kg is launched at an angle of 30ยฐ from the horizontal direction at ๐ก = 0 and takes time ๐ before hitting the ground. If its initial speed is 10 msโ1 , the value of the action integral for the entire flight in the units of kg m2sโ1 (rounded off to one decimal place) is
[Take ๐ = 10 msโ2]
Ans: 33.3
Sol:
![](https://www.gkseries.com/blog/wp-content/uploads/2023/09/Screenshot-789.png)