L6 - Remember .3...

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Remember You should have finished reading most of Ch. 3. Lab this week: do and print‐out Pre‐Lab #1, print Lab #1 manual, and bring to Lab SecBon. CAPA assignment #3 is due Friday at 10 PM, to be done on‐line. L6 M 1/25/10 1 Physics 2010
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L6 M 1/25/10 Physics 2010 2 Last time …. (Derived on pages 26-27 of Giancoli.) = x 0 + v t
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L6 M 1/25/10 Physics 2010 3 A ball is thrown straight upward. At the top of its trajectory, its acceleration is A) Zero B) Straight up D) Lateral E) Unknown, it depends on your choice of reference frame.
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L6 M 1/25/10 Physics 2010 4 If you drop an object in the absence of air resistance, it accelerates downward at 9.8 m/s 2 . If instead you throw it downward, its downward acceleration will be: A) Zero C) Less than 9.8 m/s 2 D) More than 9.8 m/s 2 E) Unknown, it depends on your choice of reference frame.
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L6 M 1/25/10 Physics 2010 5 An object’s velocity vs. time diagram looks as follows: What situation produces this kind of motion? B)A rock is dropped from rest. C) A rock is thrown straight down. D) A book slides along a table and comes to rest E) None of these.
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L5 F 1/22/10 Physics 2010 6 Applications of Kinematics in 1D On the CAPA assignment due last Friday evening was a problem similar to the following: A ball is thrown straight up with an initial velocity of 21.62 m/s. Neglecting air resistance, how long will it take for the object to reach a height of 20 m? Which of the following formulas should be used to answer the question?
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L6 M 1/25/10 Physics 2010 7
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