# asst_1 - Physics 321 Assignment 1 Due Wed 9:00 1 Take a...

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Unformatted text preview: Physics 321 Assignment 1 Due Wed 2010-02-03 9:00 1. Take a look at the simulation at http://www.ucalgary.ca/~louro/geogebra/rotatingball.html It shows a ball that rotates around the origin with constant angular velocity ~ ω for one revolution, and then winds down with constant angular acceleration ~α until it comes to a complete stop. The web page contains instructions on how to animate the ball, and also on how to vary the time manually if you so desire. Use the information that you have in the simulation to answer the following questions. Express vector quantities in terms of the unit vectors ˆ ı , ˆ , and ˆ k . (Note how the coordinate axes are labelled in the simulation). Explain what information you got from the simulation and how you used it to calculate the desired quantities. (a) What is the constant angular velocity during the first revolution, ~ω ? [ 2 points ] (b) What is the radial component of the acceleration of the particle during the first revolu- tion? [ 2 points...
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asst_1 - Physics 321 Assignment 1 Due Wed 9:00 1 Take a...

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