Exercise 3.23 A projectile is released horizontally from A and strikes the target at B as shown. Neglecting air friction determine a. the initial velocity u. b. the radius of curvature at A. c. r, 0, ŕ and 8 when the projectile reaches B as observed from O when 0 = 90°. B I 30 m 45 m Answer: a) 9.9 m/s (b) 10 m (c) 9.9 m/s, 0.99 rad/s, 29.43 m/s², -0.3268 rad/s²)

Exercise 3.23 A projectile is released horizontally from A and strikes the target at B as shown. Neglecting air friction determine a. the initial velocity u. b. the radius of curvature at A. c. r, 0, ŕ and 8 when the projectile reaches B as observed from O when 0 = 90°. B I 30 m 45 m Answer: a) 9.9 m/s (b) 10 m (c) 9.9 m/s, 0.99 rad/s, 29.43 m/s², -0.3268 rad/s²)

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter4: Motion In Two And Three Dimensions

Section: Chapter Questions

Problem 78P: A river is moving east at 4 m/s. A boat starts from the dock heading 30 north of west at 7 m/s. If...

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