A small object with mass 4.20 kg moves counterclockwise with constant speed 1.65 rad/s in a circle of radius 2.55 m centered at the origin. It starts at the point with position vector 2.55t undergoes an angular displacement of 9.50 rad. (a) What is its new position vector? -2.543i – 0.191j m (b) In what quadrant is the object located and what angle does its position vector make with the positive x-axis? third v at 184.3 (c) What is its velocity? 0.315i - 4.195j m/s (d) In what direction is it moving? o from the +x direction. 274.3 (e) What is its acceleration? 6.92i+ 0.52j m/s? (f) Make a sketch of its position, velocity, and acceleration vectors. Choose File No file chosen answerr.pdf This answer has not been graded yet. (g) What total force is exerted on the object? 29.064i - 2.184i N

A small object with mass 4.20 kg moves counterclockwise with constant speed 1.65 rad/s in a circle of radius 2.55 m centered at the origin. It starts at the point with position vector 2.55t undergoes an angular displacement of 9.50 rad. (a) What is its new position vector? -2.543i – 0.191j m (b) In what quadrant is the object located and what angle does its position vector make with the positive x-axis? third v at 184.3 (c) What is its velocity? 0.315i - 4.195j m/s (d) In what direction is it moving? o from the +x direction. 274.3 (e) What is its acceleration? 6.92i+ 0.52j m/s? (f) Make a sketch of its position, velocity, and acceleration vectors. Choose File No file chosen answerr.pdf This answer has not been graded yet. (g) What total force is exerted on the object? 29.064i - 2.184i N

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter7: Rotational Motion And The Law Of Gravity

Section: Chapter Questions

Problem 2WUE: Math Review (a) Convert 47.0 to radians, using the appropriate conversion ratio. (b) Convert 2.35...

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Math Review (a) Convert 47.0 to radians, using the appropriate conversion ratio. (b) Convert 2.35 rad to degrees. (c) If a circle has radius 1.70 m, what is the are length subtended by a 47.0 angle? (See Sections 1.5 and 7.1.)
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Q.10
A small object with mass 4.45 kg moves counterclockwise with constant speed 1.60 rad/s in a circle of radius 2.75 m centered at the origin. It starts at the point with position vector 2.75î m. Then it undergoes an angular displacement of 9.10 rad. (a) What is its new position vector? m (b) In what guadrant is the object located and what angle does its position vector make with the positive x-axis? --Select--- v at (c) What is its velocity? m/s (d) In what direction is it moving? o 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 (g) What total force is exerted on the object? N
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Someone is out dancing on a revolving dance floor. The floor completes 3 revolutions every 5 seconds and the person is 3.75 m form the center of the floor. What is the persons speed?