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Class 16

# Class 16 - Curved Paths Numerical Integration Physics 1301...

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1 Curved Paths, Numerical Integration Physics 1301, Fall 2011: Class 16 Monday, October 10, 2011

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2 Objectives: Monday, October 10 Exam 2: Chapters 4 and 5: Forces, force diagrams, kinematics resulting from forces, lots of falling objects, lots of friction Forces on curved paths Numerical integration
3 Demonstrations

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Problem What is the maximum speed for a 1500 kg car to go around an unbanked curve with a radius of curvature of 50 m? (m/s) [Assume a coefficient of static friction of 1.0.] 4
Problem What is the maximum speed for a 1500 kg car to go around an unbanked curve with a radius of curvature of 50 m? (m/s) [Assume a coefficient of static friction of 1.0.] 5 F friction = mv 2 r v = F friction r m = μ s mgr m = μ s gr v = 1.0 ( ) 9.81 ( ) 50 ( ) = 22 m / s

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Problem What is the maximum speed for a 1500 kg car to go around an banked curve with a radius of curvature of 50 m and a banking angle of 10°? (m/s) [Assume a coefficient of static friction of 1.0.] 6
Problem What is the maximum speed for a 1500 kg car to

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Class 16 - Curved Paths Numerical Integration Physics 1301...

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