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An artillary piece which consistently sh...

An artillary piece which consistently shoots its shells with the same muzzle speed has a maximum range R. To hit a target which is `R//2` from the gun and on the same level, the elevation angle of the gun should be

A

`15^(@)`

B

`45^(@)`

C

`30^(@)`

D

`60^(@)`

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The correct Answer is:
a
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