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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.

Asked by dharya21 3rd July 2010, 12:00 AM
Answered by Expert
Answer:
We know that Maximum height reached, H =
and, horizontal range R = '
For θ = 300,
 
H1 = = =
R1 = =
 
For θ = 600 ,
 
H2 = =
R2 = =
Therefore,
 
Hence Proved.
Answered by Expert 19th July 2010, 12:53 PM
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