Discussion-04

# Discussion-04 - Free FreeFallandUp/DownToss Discussion#04...

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ee Fall and Up/Down Toss Free Fall and Up/Down Toss Discussion #04 – Ch. 2.6 & 2.7 Physics 125–Fall 2010 Dr. Mike Melnichuk mmeln@umich.edu Office: 2409 Randall Lab phys125lecture@umich.edu ffice Hours: 2:00 :00 / Mon & Tue Rm 1416 Randall Lab Office Hours: 2:00 – 4:00 / Mon. & Tue. in Rm. 1416 Randall Lab.

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Example #1 A ball is initially rolling up a straight incline at 0.2 m/s. It decreases uniformly at 0.05 m/(s^2). At what time does the ball come to stop? A) 2 s B) 4 s C) 8 s D) 16 s E) 32 s
Test #1 A ball is initially rolling up a straight incline at 0.2 m/s. It decreases uniformly at 0.05 m/(s^2). What is the ball’s net displacement after 6 s? A) 0.3 m B) 0.4 m C) 0.5 m D) 0.6 m E) 0.7 m

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Example #2 You throw a ball vertically upward from a tall cliff. The ball leaves your hand at a point even with the horizontal plane of the cliff’s top with an upward speed of 30.0 /s. m/s. Find the maximum height reached and the time it takes to reach it.
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## Discussion-04 - Free FreeFallandUp/DownToss Discussion#04...

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