The 5-kg skateboard rolls down the 5 slope at constant speed. If the coefficient of kinetic friction between the 12.5-mm-diameter axles and the wheels is mk = 0.3, determine the radius of the wheels. Neglect rolling resistance of the wheels on the surface. The center of mass for the skateboard is at G. 250 mm 75 mm 300 mm G 5 Prob. 8125

MECE 201 Fall 2014 Homework 7 Due: Thursday, November 6, 2014 Note: You should use your textbook (Callister and Rethwisch, 9 thedition) to obtain phase diagrams, properties and/or constants required to solve any of the problems. 1. Problem 9.10 parts (a) and (d), also do Problem 14 pertaining to parts (a) and (d) of 9.8. For part (a) refer to Figure 9.8 and for part (b) refer to Figure 9.19. (answer: (a) in back of text) 2. Problem 9.12 3. Problem 9.13 4. Problem 9.19 5. Problem 9.38 Please report your answers to three decimal places. (answer (c): 0.272) 6. Problem