12_05_Review

# 12_05_Review - = = = How should we proceed Let’s try...

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2 Presentation “SHM Example” 2 Exam IV Thursday Eve 12/6 5-7 Wit 116 Angular Momentum Simple Harmonic Motion Torque Energy 2 MCAT review orientation tonight!

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MCAT Review Orientation 2 Date: Thursday, December 6, 2001 a Time: 7pm-8pm a Place: Clifford Haugen Lecture Hall (Room 1360) UNDSMHS a Please attend if there’s any interest at all! It’s right after the test so it’s ok if you arrive after 7 pm.
A mass is held up at the springs relaxed length then released. Find all of the following: Distance the mass falls Height it returns to Amplitude Max velocity Max acceleration Instant of release

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Unformatted text preview: =? =? =? How should we proceed? Let’s try energy which buckets do we need KE g S KE g S mgh = 1 / 2 k ∆ x 2 = E is conserved ∆ x = h 1 / 2 k ∆ x 2 = mgh ∆ x= 2mg k Total fall distance A mass is held up at the springs relaxed length then released. Find all of the following: Distance the mass falls Height it returns to Amplitude Max velocity Max acceleration KE g S 1 / 2 k ∆ x 2 = ∆ x = 2mg k Instant of release =? =? =? ∆ x = h KE g S KE g S Returns to the starting position where v = 0 again A = mg k 1 / 4 PE max = 1 / 2 mv 2 W T T - W = ma k ∆ x - mg = ma 2mg - mg = ma a = g !!!!...
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12_05_Review - = = = How should we proceed Let’s try...

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