The speed at the maximum height of a projectile is half of its initial speed of projection (u). The horizontal range of the projectile is
![Calculate the angle of projection of the projectile if the horizontal range is equal to the maximum height attained. | Homework.Study.com Calculate the angle of projection of the projectile if the horizontal range is equal to the maximum height attained. | Homework.Study.com](https://homework.study.com/cimages/multimages/16/projectile3045924907189337306.png)
Calculate the angle of projection of the projectile if the horizontal range is equal to the maximum height attained. | Homework.Study.com
![Ballistic Trajectory (2-D) Calculator - Computes the maximum height, range, time to impact, and impact velocity of a ballistic projectile Ballistic Trajectory (2-D) Calculator - Computes the maximum height, range, time to impact, and impact velocity of a ballistic projectile](http://www.convertalot.com/images/trajectory-2D.gif)