Question
Sat July 03, 2010 By: Dharya Yadav

prove that a gun will shoot three times as high when its angle of elevation 60 degree as when it is 30 degree, but cover the same horizontal range.

Expert Reply
Mon July 19, 2010
We know that Maximum height reached, H =
and, horizontal range R = '
For θ = 300,
 
H1 = = =
R1 = =
 
For θ = 600 ,
 
H2 = =
R2 = =
Therefore,
 
Hence Proved.
Sat November 18, 2017

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