Question

When a projectile is fired at 45° with respect to horizontal,the range is r. If the same projectile is thrown at 90° with the same speed, What will be the maximum height and range​

Answer 1

Answer:

I have solved the entire answer in the attached photo, please refer to it, hope you will be able to answer.

Explanation:

You need to understand the fact that when the projectile is thrown at 90° , it becomes a vertical throw and doesn't remain a oblique projectile.