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A small object with mass 4.30 kg moves counterclockwise with constant speed 1.55 rad/s in a circle of radius 3.40 m centered at the origin. It starts at the point with position vector 3.40î m. Then it undergoes an angular displacement of 8.85 rad. (a) What is its new position vector? -2.85i + 1.87j (b) In what quadrant is the object located and what angle does its position vector make with the positive x-axis? second vy at 147 (c) What is its velocity? -2.86i – 4.42j m/s (d) In what direction is it moving? 123 x The response you submitted has the wrong sign.° from the +x direction. (e) What is its acceleration? m/s2 (f) Make a sketch of its position, velocity, and acceleration vectors. Choose File No file chosen This answer has not been graded yet. (g) What total force is exerted on the object? N

A small object with mass 4.30 kg moves counterclockwise with constant speed 1.55 rad/s in a circle of radius 3.40 m centered at the origin. It starts at the point with position vector 3.40î m. Then it undergoes an angular displacement of 8.85 rad. (a) What is its new position vector? -2.85i + 1.87j (b) In what quadrant is the object located and what angle does its position vector make with the positive x-axis? second vy at 147 (c) What is its velocity? -2.86i – 4.42j m/s (d) In what direction is it moving? 123 x The response you submitted has the wrong sign.° from the +x direction. (e) What is its acceleration? m/s2 (f) Make a sketch of its position, velocity, and acceleration vectors. Choose File No file chosen This answer has not been graded yet. (g) What total force is exerted on the object? N

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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how to solve  part e f g from this question and why is d wrong?

A small object with mass 4.30 kg moves counterclockwise with constant speed 1.55 rad/s in a circle of radius 3.40 m centered at the origin. It starts at the point with position vector 3.40î m. Then it undergoes an angular displacement of 8.85 rad. (a) What is its new position vector? -2.85i + 1.87j (b) In what quadrant is the object located and what angle does its position vector make with the positive x-axis? second at 147 (c) What is its velocity? -2.86i – 4.42j m/s (d) In what direction is it moving? 123 X The response you submitted has the wrong sign.° from the +x direction. (e) What is its acceleration? m/s2 (f) Make a sketch of its position, velocity, and acceleration vectors. Choose File No file chosen This answer has not been graded yet. (g) What total force is exerted on the object?
Transcribed Image Text:A small object with mass 4.30 kg moves counterclockwise with constant speed 1.55 rad/s in a circle of radius 3.40 m centered at the origin. It starts at the point with position vector 3.40î m. Then it undergoes an angular displacement of 8.85 rad. (a) What is its new position vector? -2.85i + 1.87j (b) In what quadrant is the object located and what angle does its position vector make with the positive x-axis? second at 147 (c) What is its velocity? -2.86i – 4.42j m/s (d) In what direction is it moving? 123 X The response you submitted has the wrong sign.° from the +x direction. (e) What is its acceleration? m/s2 (f) Make a sketch of its position, velocity, and acceleration vectors. Choose File No file chosen This answer has not been graded yet. (g) What total force is exerted on the object?
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