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L05_blanks - Day 06 Lecture 05 for Motion Special Angles...

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1 Day 06 Lecture 05 for 1/25/2011 Angle Conversion Review Recall: Fill in the following Table of _______________ angles : Slide: 2 of 12 is 0 Name Picture In Revolutions In Radians In Degrees Zero Right Strait ¾ Turn Full Turn

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2 Linear and Angular Speed Consider an object moving at constant speed along a circular arc of radius r. There are two ways to measure the speed of the object. ___________ speed measures how fast the object is moving. ___________ speed measures how fast an angle is changing. If s is the length of the arc traveled in time t , then the ___________ speed v of the object is… If is the angle (in radian measure) corresponding to the arc of length s, then the ___________ speed of the object is Slide: 3 of 12 is 0 Linear and Angular Speed, Continued Since , , and . We see the relationship between linear speed and angular is, Ex. A circular gear in a motor rotates at the rate of 100 rpm (revolutions per minute). 1) What is the angular speed of the gear in radians per minutes?
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L05_blanks - Day 06 Lecture 05 for Motion Special Angles...

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