14 A proton initially has = 4.01 - 2.0j + 4.0 s later has = -2.0i- 2.0j + 5.0k (in meters per second). For that 4.0 s, what are (a) the proton's average acceleration aw in unit- vector notation, (b) the magnitude of av, and (c) the angle between a and the positive direction of the x axis? 3.0k and then avg arg ave has ini later ha 20 s*20 In Fig.,4-32, particle A moves along the line y = 30 m with a con-A stant velocity ý of magnitude 3.0 m/s and parallel to the x axis. At the instant particle A passes the y axis, particlė B leaves the origin with a zero initial speed and a constant acceleration a of magnitude 0.40 m/s². What angle e between a and www. Flg. 4-32 Problem 20. the positive direction of the y axis would result in a collision?

14 A proton initially has = 4.01 - 2.0j + 4.0 s later has = -2.0i- 2.0j + 5.0k (in meters per second). For that 4.0 s, what are (a) the proton's average acceleration aw in unit- vector notation, (b) the magnitude of av, and (c) the angle between a and the positive direction of the x axis? 3.0k and then avg arg ave has ini later ha 20 s*20 In Fig.,4-32, particle A moves along the line y = 30 m with a con-A stant velocity ý of magnitude 3.0 m/s and parallel to the x axis. At the instant particle A passes the y axis, particlė B leaves the origin with a zero initial speed and a constant acceleration a of magnitude 0.40 m/s². What angle e between a and www. Flg. 4-32 Problem 20. the positive direction of the y axis would result in a collision?

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter4: Motion In Two Dimensions

Section: Chapter Questions

Problem 4.5OQ: Does a car moving around a circular track with constant speed have (a) zero acceleration, (b) an...

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