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4.) The acceleration of a particle moving only on a horizontal xy plane is given by a = 4ti +5tj, where à is in meters per second- squared and t is in seconds. At t = 0, the position vector = (17.0m)i + (48.0m) locates the paticle, which then has the velocity vector (5.00m/s)i + (2.50m/s). At t = 3.80 s, what are (a) its position vector in unit-vector notation and (b) the angle between its direction of travel and the positive direction of the x axis?

4.) The acceleration of a particle moving only on a horizontal xy plane is given by a = 4ti +5tj, where à is in meters per second- squared and t is in seconds. At t = 0, the position vector = (17.0m)i + (48.0m) locates the paticle, which then has the velocity vector (5.00m/s)i + (2.50m/s). At t = 3.80 s, what are (a) its position vector in unit-vector notation and (b) the angle between its direction of travel and the positive direction of the x axis?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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4.) The acceleration of a particle moving only on a horizontal xy plane is given by a= 4ti + 5tj, where a is in meters per second- squared and t is in seconds. At t = 0, the position vector = (17.0m)i + (48.0m) locates the paticle, which then has the velocity vector(5.00m/s)i + (2.50m/s)j. At t = 3.80 s, what are (a) its position vector in unit-vector notation and (b) the angle between its direction of travel and the positive direction of the x axis?
Transcribed Image Text:4.) The acceleration of a particle moving only on a horizontal xy plane is given by a= 4ti + 5tj, where a is in meters per second- squared and t is in seconds. At t = 0, the position vector = (17.0m)i + (48.0m) locates the paticle, which then has the velocity vector(5.00m/s)i + (2.50m/s)j. At t = 3.80 s, what are (a) its position vector in unit-vector notation and (b) the angle between its direction of travel and the positive direction of the x axis?
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