The continuity equation in fluid dynamics for steady fluid flow through a stream tube equates the product of the density, velocity and area at two points that have varying cross-sectional areas. For incompressible flow, the densities are constant, so the equation is: A₁V₁ = A₂V2 22 If both areas and velocity at one point are known, the velocity at point 2 can be found. Therefore, whether the velocity at the second point increases or decreases depends on the area at the two points. Write a script that will prompt the user for the two areas in square feet and will print whether the velocity at the second point will increase, decrease, or remain the same as at the first point. After validating your script, comment out the input statements, set A1 = 54 and A2 = .31. Then submit your script to the grader. Script 1% Chapter 4-13 2 % This script deals with the comparison of velocities of a fluid throught 3 % a tube with two different cross sectional areas. 5%A1=input('please enter the cross sectional area (sq ft) of the tube at point one: '); 6%A2=input('please enter the cross sectional area (sq ft) of the tube at point two: '); 7 A1 = .54; 8 A2 = .31; C Reset MATLAB Documentation

The continuity equation in fluid dynamics for steady fluid flow through a stream tube equates the product of the density, velocity and area at two points that have varying cross-sectional areas. For incompressible flow, the densities are constant, so the equation is: A₁V₁ = A₂V2 22 If both areas and velocity at one point are known, the velocity at point 2 can be found. Therefore, whether the velocity at the second point increases or decreases depends on the area at the two points. Write a script that will prompt the user for the two areas in square feet and will print whether the velocity at the second point will increase, decrease, or remain the same as at the first point. After validating your script, comment out the input statements, set A1 = 54 and A2 = .31. Then submit your script to the grader. Script 1% Chapter 4-13 2 % This script deals with the comparison of velocities of a fluid throught 3 % a tube with two different cross sectional areas. 5%A1=input('please enter the cross sectional area (sq ft) of the tube at point one: '); 6%A2=input('please enter the cross sectional area (sq ft) of the tube at point two: '); 7 A1 = .54; 8 A2 = .31; C Reset MATLAB Documentation

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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1. 2. 3. 4. 5. Convert each of the following decimal numbers to binary, octal, and hexadecimal numbers. (a) (915) 10 (b) (174.25) 10 Convert each of the following binary numbers to octal, hexadecimal, and decimal numbers using the most appropriate conversion method. (a) (101110)2 (b) (10101.11)2 Calculate A + B, A- B, A x B, and A+B for the following pair of binary numbers. (a) A = (1011010)2, B = (101111)2 Find the 2's complement of each of the following binary numbers assuming n=8. (a) 101010 (b) 0 (c) 11111111 Calculate A + B, A- B, -A + B, and -A - B for the following pair of numbers assuming a 2's complement number system and n-8. Check your results by decimal arithmetic. Explain any unusual results. A-1101011, B-0101010