a plane flying horizontally at a height of 1500 m with a velocity of 200 m/s passes directly overhead an anticraft airgun.then the angle with the horizontal at which the gun should be fired for the shell with a muzzle velocity of 400 m/s to hit the plane
Asked by meet
| 17th Sep, 2012,
04:03: PM
Expert Answer:
say after t sec the bullet strikes the plane.
so the distance covered by plane=horizontal distance covered by the bullet
200 t=(400 cos ?)t
?=60 degrees with horizontal
Answered by
| 20th Nov, 2012,
01:47: PM
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