1.5 Applications Angular and Linear Velocity Part 2

# 1.5 Applications Angular and Linear Velocity Part 2 - of...

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Lesson: 1.5 Applications: Angular and Linear Velocity Part 2 Goal: Solve problems involving linear velocity DOD From last time. .. Angular Displacement: angle of movement ± ²³´µ¶·¸¹µº» ¼ ½¾ Angular Velocity: angular displacement per unit of time. ¿ ± À Á ¿Â Ã ÄµÅ³ÆÇÄ È ± angular velocity Units are usually rpm (revolutions per minute) or rad/sec (radians per second). Linear Velocity: linear distance traveled per unit of time. É ± ¿² É ± Linear Velocity ¿Â Ã ÄµÅ³ÆÇÄ È ± angular velocity ² ± radius Notice that we will need to find angular velocity to find linear velocity ! _______________________________________ Examples The wheel of a car is turning at 15 rps (revolutions per second). The wheel has a radius

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Unformatted text preview: of 1.5 m. a) Find the angular velocity of the wheel in rad/sec. b) Find the linear velocity in feet/sec of a point 1 foot from the center of the wheel. c) Find the linear velocity in feet/sec of a point 2 feet from the center of the wheel. The radius of the Earth is approximately 3840 mi long, and the Earth revolves on its axis once every 24 hours. a) Determine the angular velocity of the Earth in radians per day. b) Determine the angular velocity of the Earth in radians per week. c) Determine the linear velocity of a person standing on the equator (in miles per day). 1.5 Applications: Angular and Linear Velocity Part 2 Monday, August 29, 2011 5:32 PM Ch_1 Page 1 Ch_1 Page 2...
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1.5 Applications Angular and Linear Velocity Part 2 - of...

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