Question

find the angle of projection so that a body when projected has a horizontal range equal to the maximum height attained ​

Answer 1

Explanation:

R=  

g

u  

2

sin2θ

​  

 

H=  

2g

u  

2

sin  

2

θ

​  

 

g

u  

2

sin2θ

​  

=  

2g

u  

2

sin  

2

θ

​  

 

2sinθcosθ=  

2

sin  

2

θ

​  

 

ucosθ=sinθ

tanθ=4

θ=tan  

−1

4

Answer 2

Answer:

tan-1[4] is therequired value of angle

hope it helps

please mark me as the brainliest

Explanation: