Wednesday, October 10, 2001
Announcements:
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Nobel Prize in Physics was awarded yesterday.
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Original RWP for Exam 1 -
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I am missing several, so if you are on this list
and you submitted one, let me know.
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I have eliminated all students who have officially dropped the class from
the group assignments
Concept questions
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Is there a net force on a car as it rounds a flat curve at constant speed?
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If you are riding in a car without your seat belt, and the car makes a
sharp left turn, what force acts on you when you collide with the right-hand
door?
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A ladybug sits at the outer edge of a merry-go-round, and a gentleman bug
sits halfway between her and the axis of rotation. The merry-go-round
makes a complete revolution once each second. What is the angular
speed of the gentleman bug compared with the ladybug?
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A ladybug sits at the outer edge of a merry-go-round that is turning and
slowing down. What is the direction of the radial component
of the ladybug's acceleration?
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A ladybug sits at the outer edge of a merry-go-round that is turning and
slowing down. What is the direction of the tangential component
of the ladybug's acceleration?
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A rider in a "barrel of fun" finds herself stuck with her back to the wall
(Problem 7.53). What is the correct diagram showing the forces that
act on her?
Assignments:
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RWP7 - Speed Limit (due Friday)
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HW7b (due Friday)
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Web project topics (due Monday, but may be submitted sooner)