Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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please answer it in c++ 2c
QUESTION 2 (a) Write a program that begins by reading a radius, r from the user. The program will continue by computing and displaying the area of a circle with r and the volume of a sphere with radius r. Declare pi as a constant in your caleulations. Hint: The area of a circle is compound using the formula: area xr'. The volume of a sphere is computed using the formula: welume= 4/3ar'. (b) Create a program that determines how quickly an object is travelling when it hits the ground. The user will enter the height from which the object is dropped in meters (m). Because the object is dropped its initial speed is Om/s. Assume the acceleration due to gravity is 9.8m/s. You can use the formula: "S = V +2 to compute the final, vr, when the initial speed, vi acceleration ,a, and distance, d, are known. (c) You are required to create a program that reads a letter of the alphabet from the user. If the user enters a, e, i, o or u then your program should display a message indicating that the entered letter is a vowel. If the user enters y then your program should display a message indicating that sometimes y is a vowel, and sometimes y is a consonant. Otherwise your program should display a message indicating that the letter is a constant.
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Transcribed Image Text:QUESTION 2 (a) Write a program that begins by reading a radius, r from the user. The program will continue by computing and displaying the area of a circle with r and the volume of a sphere with radius r. Declare pi as a constant in your caleulations. Hint: The area of a circle is compound using the formula: area xr'. The volume of a sphere is computed using the formula: welume= 4/3ar'. (b) Create a program that determines how quickly an object is travelling when it hits the ground. The user will enter the height from which the object is dropped in meters (m). Because the object is dropped its initial speed is Om/s. Assume the acceleration due to gravity is 9.8m/s. You can use the formula: "S = V +2 to compute the final, vr, when the initial speed, vi acceleration ,a, and distance, d, are known. (c) You are required to create a program that reads a letter of the alphabet from the user. If the user enters a, e, i, o or u then your program should display a message indicating that the entered letter is a vowel. If the user enters y then your program should display a message indicating that sometimes y is a vowel, and sometimes y is a consonant. Otherwise your program should display a message indicating that the letter is a constant.
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