phy2048 lecture15

# phy2048 lecture15 - Chapter 8 Examples Sample Problem 8-7...

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Unformatted text preview: Chapter 8 Examples Sample Problem 8-7 : Spring-block system with friction ? Find 60 . , 45 2 k = = = H d μ θ Sample Problem 8-8 : Rock sliding down mountain slope ? compressed is spring the distance by what Find .) ( N, 15 N/m, 000 , 10 m/s, . 4 kg, . 2 1 d v f k v m f k = = = = = system) (isolated int th mec = ∆ + ∆ + ∆ E E E Chapter 8 Homework Problems Problem 21 : L = 120 cm, d = 75.0 cm, ( v = 0) Find velocities at (a) lowest point and (b) highest point after catching the peg Problem 27 : Spring is compressed 10.0 cm when 8.00 kg stone is at rest. Spring is pushed down an additional 30.0 cm and stone is released. Find maximum height of the stone Problem 58 : A 267 N child slides down a 6.1 m, 20º slide. μ k = 0.10, v = 0.457 m/s Find (a) thermal energy and (b) v f Midterm Exam #2 Tuesday October 9 during the class: 75 minutes Chapters 5 – 8 15 multiple choices and 3 free response problems Bring a Scantron sheet [ ParScore TestForm F-289-PAR-L ] Bring a calculator...
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phy2048 lecture15 - Chapter 8 Examples Sample Problem 8-7...

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