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An aircraft moving with a speed of 250 m...

An aircraft moving with a speed of `250 m//s` is at a height of `6000m`,just overhead of an antiaircraft gun.If the muzzle velocity is `500m//s`,the firing angle `theta` should be:

A

`30^(@)`

B

`45^(@)`

C

`60^(@)`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
`500cos theta=250`
`rArr cos theta=1/2`
`rArr theta=60^(@)`
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