1-FLUID MECHANICS: Fluid following in a pipe flows in a smooth pattern, knows as laminar flow, or a turbulent pattern, know as turbulent flow. The velocity, V, that produces each type of flow in the pipe can be determined by using these formulas: Vlaminar = (2100Âµ)/(pd) Vturbulent =(4000Âµ)/(pd) Vlaminar is the velocity of the fluid, in ft/sec, that produces a definite laminar flow. Vturbulent is the velocity of the fluid, in ft/sec, that produces a definite turbulent flow. Âµ is the fluid's viscosity in lbf-sec/ft2. P is the fluid's density in slug/ft3. d is the pipe's inside diameter in feet. Using these formulas, write and test a C++ function named flow () that returns both the laminar flow velocity, Vlaminar, and turbulent flow velocity, Vturbulent, using reference parameters. The function should calculate these velocities for water, which has a viscosity, Âµ, of 1.9 Ã— 105 lbf-sec/ft2 and a density, P, of 1.94 slug/ft3. The pipe diameter should be passed by value to the flow () function. 2-Mathematical functions: Write a program for each of the equations below and display a table of x value and its corresponding y value. Use arrays, so if needed y values can be retrieved for further investigation. y=3x5 â€“ 2x3 + x for x between 5 and 10 in increments of 0.2 y=1+x+x^2/2+x^3/3+x^4/24 for x between 1 and 3 increments of 0.1 y=2e0.8t for t between 4 and 10 increments of 0.2 3-Mathematical functions: Write a program that calculates and displays values for y when y=xz/(x-z) your program should calculate y for values for x ranging between 1 and 5 and values of z ranging between 2 and 6. The x variable should control the outer loop and be incremented in steps of 1, and z should be incremented in steps of 1. Your program should also display the message FUNCTION UNDEFINED when the x and z values are equal. 4-(coin tossing) Write a program that simulates coin tossing. For each toss of the coin the number of times each side of the coin appears. Print the results. The program should call a separate function flip that takes no arguments and returns 0 for tails and 1 for heads. [ note: if the program realistically simulates the coin tossing, then each side of the coin should appear approximately half the time for a total of approximately 50 heads and 50 tails.]

Subject | Computer |

Due By (Pacific Time) | 11/24/2014 12:00 pm |

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