ch04-p039 - 39. We adopt the positive direction choices...

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39. We adopt the positive direction choices used in the textbook so that equations such as Eq. 4-22 are directly applicable. The coordinate origin is at the end of the rifle (the initial point for the bullet as it begins projectile motion in the sense of § 4-5), and we let θ 0 be the firing angle. If the target is a distance d away, then its coordinates are x = d, y = 0. The projectile motion equations lead to 00 cos dv = and 0 1 2 2 =− vt g t sin . Eliminating
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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