The fastest bird is the spine-tailed swift, which reaches speeds of 171 km/h. Suppose that you wish to shoot such a bird with a 22-caliber rifle that fires a bullet with a speed of 366 m/s. If you fire at the instant when the bird is 30 m directly overhead, how many meters ahead of the bird must you aim the rifle? Ignore gravity in this problem.
Physics - Damon, Wednesday, November 23, 2011 at 5:09am
How long does it take bullet to go 30 meters? Call that t
Then how far does the bird fly in time t?