{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

MasteringPhysics-ch 7

# MasteringPhysics-ch 7 - MasteringPhysics Assignment Print...

This preview shows pages 1–4. Sign up to view the full content.

MasteringPhysics: Assignment Print View http://session.masteringphysics.com/myct/assignmentPrint?assignm. .. 1 of 14 10/20/07 11:28 PM [ Print View ] physics 2211 MP07: Chapter 7 Due at 5:30pm on Monday, October 22, 2007 View Grading Details Circular Motion Tutorial Learning Goal: Understand how to find the equation of motion of a particle undergoing uniform circular motion. Consider a particle--the small red block in the figure--that is constrained to move in a circle of radius . We can specify its position solely by , the angle that the vector from the origin to the block makes with our chosen reference axis at time . Following the standard conventions we measure in the counterclockwise direction from the positive x axis. Part A What is the position vector as a function of angle . For later remember that is itself a function of time. Part A.1 x coordinate What is the x coordinate of the particle? Your answer should be in terms of and . ANSWER: = Answer not displayed Part A.2 y coordinate Part not displayed Give your answer in terms of , , and unit vectors and corresponding to the coordinate system in the figure. [ Print ]

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
MasteringPhysics: Assignment Print View http://session.masteringphysics.com/myct/assignmentPrint?assignm. .. 2 of 14 10/20/07 11:28 PM Uniform Circular Motion A frequently encountered kind of circular motion is uniform circular motion, where changes at a constant rate . In other words, . Usually, . Part B For uniform circular motion, find at an arbitrary time . Give your answer in terms of and . ANSWER: = Part C What does become now? Express your answer in terms of , , , and unit vectors and . ANSWER: = Part D Find , a position vector at time . Hint D.1 Finding Hint not displayed Give your answer in terms of and unit vectors and/or . ANSWER: = Part E Determine an expression for the position vector of a particle that starts on the positive y axis at (i.e., at , ) and subsequently moves with constant . Hint E.1 Adding a phase Hint not displayed Part E.2 Finding a phase
MasteringPhysics: Assignment Print View http://session.masteringphysics.com/myct/assignmentPrint?assignm. .. 3 of 14 10/20/07 11:28 PM Part not displayed Express your answer in terms of , , , and unit vectors and . ANSWER: = From this excersice you have learned that even though the motion takes place in the plane there is only one degree of freedom, angle , and that changing the initial coordinates introduces a phase angle in the equation. PSS 7.1: The Round Trip Learning Goal: To understand how to use Problem-Solving Strategy 7.1 for problems involving circular motion. A cyclist competes in a one-lap race around a flat, circular course of radius . Starting from rest and speeding up at a constant rate throughout the race, the cyclist covers the entire course in a time . The mass of the bicycle (including the rider) is . What is the magnitude of the net force acting on the bicycle as it crosses the finish line? MODEL:

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 14

MasteringPhysics-ch 7 - MasteringPhysics Assignment Print...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online