7. A speedboat moves on a lake with initial velocity vector vx = 8.51 m/s and v1y = -2.47 m/s, then accelerates for 6.97 s at an average acceleration of aavx = -0.105 and avy = 0.106÷. What are the speedboats final speed and direction? s2

7. A speedboat moves on a lake with initial velocity vector vx = 8.51 m/s and v1y = -2.47 m/s, then accelerates for 6.97 s at an average acceleration of aavx = -0.105 and avy = 0.106÷. What are the speedboats final speed and direction? s2

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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Question

7. A speedboat moves on a lake with initial velocity vector vix = 8.51 m/s and v1,y =
-2.47 m/s, then accelerates for 6.97 s at an average acceleration of aav x =
-0.105 and
т
ay = 0.1064. What are the speedboats final speed and direction?

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