10_03_Energy_2nd_Lawcopy

10_03_Energy_2nd_Lawcopy - 10/3 Energy and 2nd Law Text:...

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Unformatted text preview: 10/3 Energy and 2nd Law Text: Chapter 4 section 9 friction Friction Handout in class today, also on web Problem presentation HW 10/3 text problem 4-54 (The Clown) due Friday 10/5 Show Reasoning!!!!! Lab: “Atwood’s Machine” wrap up “Peer Guides” in “Physics Guidance Center” W itm er 209 M on d ay W itm er 115 T u esd ay W itm er 2 09 W ed n esd ay W itm er 1 15 T h u rsd a y F rid ay 2:0 0 N ick W . C ath erin e C . C ath erin e C . N ick W . 2:3 0 N ick W . C ath erin e C . C ath erin e C . N ick W . 3:0 0 N ick W . C ath erin e C . C a th erin e C . K atie P . N ick W . 3:3 0 N ick W . K atie P . K atie P . K atie P . N ick W . 4:0 0 K atie P . K atie P . K atie P . 4:3 0 K atie P . K atie P . K atie P . 5:0 0 K atie P . K atie P . K atie P . Peer Guide Schedule Do we need morning times? Modified Atwood’s Machine Find the acceleration of the masses, then v f after they move ∆ x = 5m. Let g = 10 N/kg m 1 = 2kg, m 2 = 2kg a = a = F net = F net = Apply 2nd Law m 2 m 1 F net same, why?...
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This note was uploaded on 12/21/2010 for the course PHYS Physics 21 taught by Professor Larrywatson during the Fall '08 term at North Dakota.

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10_03_Energy_2nd_Lawcopy - 10/3 Energy and 2nd Law Text:...

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