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ch 4 hw 3

ch 4 hw 3 - Ch4 HW3 f10 Page 1 of 3 WebAssign Ch4 HW3...

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Web Assign Ch4 HW3 f10 (Homework) Ashlyn Baum Physics 303K, section B, Fall 2010 Instructor: Jim Chelikowsky Current Score : 24 / 24 Due : Sunday, September 26, 2010 11:30 PM CDT 1. 4/4 points Question: MI3 4.8.X.008 2. 2/2 points Question: MI3 4.8.X.056 3. 4/4 points Question: MI3 4.8.X.058 4. 7/7 points Question: MI3 4.8.X.009 5. 7/7 points Question: MI3 4.8.X.059 The due date for this assignment is past. Your work can be viewed below, but no changes can be made. View Key When you apply a horizontal force of 42 N to a block, the block moves across the floor at a constant speed ( μ k = μ s ). (a) What happens if instead you apply a force of 35 N? The block decelerates (the speed continually decreases). The block moves at a constant speed, but it moves more slowly. The block doesn't move. (b) When you apply a force of 35 N, what is the magnitude of the horizontal component of the force that the floor exerts on the block? F hor = 35 N (c) What happens if instead you exert a force of 49 N?

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