Question

If the greatest height attained by a projectile is 1/4 th of the horizontal range.Calculate the angle of projection.

Answer 1

u know the eqns for range max.height time period for a projectile?

Answer 2

correct me if i've made any mistakes

Answer 3

ur eqns for projectile motion are perfectly right but check again with the cancelling out part
tan@=1
sin2@=2sin@*cos@

Answer 4

Nah.... Thanks!!!

Answer 5

tanθ =1/2 , i think?

Answer 6

1

Answer 7

Can you tell me where is wrong please?

Answer 8

check range formula

Answer 9

Got it so the final version is like that