43. ••An object experiences a constant acceleration of 2.0 m/s along the -x axis for 2.7 s, attaining a velocity of 16 m/s in a direction 45° from the +x axis. Find the initial velocity vector of the object.

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
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Chapter3: Motion In Two Dimensions
Section: Chapter Questions
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43. ••An object experiences a constant acceleration of
2.0 m/s? along the -x axis for 2.7 s, attaining a velocity
of 16 m/s in a direction 45° from the +x axis. Find the
initial velocity vector of the object.
Transcribed Image Text:43. ••An object experiences a constant acceleration of 2.0 m/s? along the -x axis for 2.7 s, attaining a velocity of 16 m/s in a direction 45° from the +x axis. Find the initial velocity vector of the object.
Expert Solution
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given thata=-2 m/s2 in negative X- directiona=-2i^ m/s2V=16 m/s with 450 to positive X-directionthat is V has two componentsVx=16 cos 45Vx=11.3 m/sVy=16 sin 45Vy=11.3 m/s

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