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3-Panel Truss with Flexible Cables Used as Diagonals
30 - Two trains in perpendicular railroad tracks
304 Maximum Shearing Stress and Angle of Twist of a Steel Shaft
305 Minimum Diameter of Steel Shaft With Allowable Angle of Twist
306 Maximum Shearing Stress of Marine Propeller Shaft
307 Power Transmitted by Solid Steel Shaft of Unknown Diameter
308 Maximum Horsepower That Can be Transmitted by Steel Shaft
309 Finding the Diameter of a Propeller Shaft Transmitting a Power
31-32 Train in an elevated track and car in perpendicular road
310 Strength Comparison of Hollow and Solid Steel Shafts of Equal Outside Diameters
311 Aluminum Shaft Loaded by Multiple Torques Applied at Gears
312 Deformation of Flexible Shaft Made From Steel Wire Encased in Stationary Tube
313 Maximum Torque That Can be Applied to a Hollow Steel Shaft
314 Maximum Shear and Relative Gear Rotation of a Compound Steel Shaft
315 Power Applied and Removed at Shaft Gears
316 Permissible Torque That Can Be Applied to a Compound Shaft
32 - 34 Maxima and minima problems of a rectangle inscribed in a triangle
33-34 Time Rates: A car traveling east and airplane traveling north
35 - 37 Solved problems in maxima and minima
35-36 Time Rates: Lengthening of shadow and movement of its tip in 3D space
37 - A ladder sliding downward
37-38 How fast a ship leaving from its starting point
38 - 40 Solved problems in maxima and minima
38 - Rate of rotation of search light pointing to a ship
39 - Rate of increase of angle of elevation of the line of sight
3^n - 3^{n - 1} - 3^{n - 2} is equal to: