Absolute Java (6th Edition)
6th Edition
ISBN: 9780134041674
Author: Walter Savitch, Kenrick Mock
Publisher: PEARSON
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Chapter 2, Problem 4PP
John travels a distance of 55 miles at an average speed of 15 miles per hour. Write a
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Given an airplane’s acceleration a and take-off speed v, you can compute the minimum runway length needed for an airplane to take off using the following formula:
length = v2/2a
Write a program that prompts the user to enter v in meters/second (m/s) and the acceleration a in meters/second squared and displays the minimum runway length.
Average acceleration is defined as the change of velocity divided by the time taken to make the change, as shown in the following formula:
a = ( v1 - v0 ) / t
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The following table shows the approximate speed of sound in air, water, and steel: Write a program that asks the user to enter “air”, “water”, or “steel” and the distance that a sound wave will travel in the medium. The program should then display the amount of time it will take. You can calculate the amount of time it takes sound to travel in air with the following formula: Time = Distance / 1,100 You can calculate the amount of time it takes sound to travel in water with the following formula: Time = Distance / 4,900 You can calculate the amount of time it takes sound to travel in steel with the following formula: Time = Distance / 16,400
Chapter 2 Solutions
Absolute Java (6th Edition)
Ch. 2 - Prob. 1STECh. 2 - Write Java statements that will cause the...Ch. 2 - What is the difference between System.out.println...Ch. 2 - Prob. 4STECh. 2 - What output is produced by the following code?
Ch. 2 - What output is produced by the following code? For...Ch. 2 - Write a Java statement to output the value in...Ch. 2 - What output is produced by the following code?...Ch. 2 - Suppose the class Robot is a part of the standard...Ch. 2 - Write an import statement that makes the Scanner...
Ch. 2 - Prob. 11STECh. 2 - Write a line of code that uses the object frank...Ch. 2 - Write a complete Java program that reads in a line...Ch. 2 - Write a complete Java program that reads in a line...Ch. 2 - Something could go wrong with the following code....Ch. 2 - Suppose your code creates an object of the class...Ch. 2 - Continue with the object keyboard from Self-Test...Ch. 2 - Prob. 18STECh. 2 - What is missing from the following code, which...Ch. 2 - The Babylonian algorithm to compute the square...Ch. 2 - (This is a version with input of an exercise from...Ch. 2 - Write a program that reads in two numbers typed on...Ch. 2 - John travels a distance of 55 miles at an average...Ch. 2 - Grade point average (GPA) in a 4-point scale is...Ch. 2 - (This is a better version of an exercise from...Ch. 2 - Write a program that determines the change to be...Ch. 2 - Write a program that reads in a string containing...Ch. 2 - (This is a better version of an exercise from...Ch. 2 - Write a program that inputs the name, quantity,...Ch. 2 - Write a program that calculates the total grade...Ch. 2 - (This is a variant of an exercise from Chapter 1.)...Ch. 2 - (This is an extension of an exercise from Chapter...Ch. 2 - From Programming Project 10 in Chapter 1,...
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- Running the program Your program should take 5 arguments: start annual years return inflation where start is the initial investment amount annual is the amount that is added to the investment every year years is the number of years that the investment is held return is the annual investment return expressed as a percentage inflation is the annual inflation rate expressed as a percentage So, to calculate the future and present value of $1000 investment after 10 years where you add $100 every year with a 7% return and 2% inflation, you give the following arguments and get this output: $ ./fv 1000 100 10 7 2 Future Value: $3445.51 Present Value: $2826.52 Writing the code Starter code is provided for you below int main(int arge, char **argv ) { int a, n double value, present, I, is value= atof (argv[1]); a = atoi (argv[2]); natoi (argv[3]); r = atof (argv[4])/100; i = atof(argv[5])/100; // TODO write your code here printf ("Future Value: $%.2f\n", value) printf("Present Value: $%.2f\n",…arrow_forwardRunning the program Your program should take 5 arguments: start annual years return inflation where start is the initial investment amount annual is the amount that is added to the investment every year years is the number of years that the investment is held return is the annual investment return expressed as a percentage inflation is the annual inflation rate expressed as a percentage So, to calculate the future and present value of $1000 investment after 10 years where you add $100 every year with a 7% return and 2% inflation, you give the following arguments and get this output: $ ./fv 1000 100 10 7 2 Future Value: $3445.51 Present Value: $2826.52 Writing the code Starter code is provided for you below int main(int arge, char **argv ) { int a, n double value, present, I, is value= atof(argv[1]); a = atoi (argv [2]); natoi (argv[3]); r = atof (argv[4])/100; i = atof(argv[5])/100; // TODO write your code here printf("Future Value: $%.2f\n", value) printf("Present Value: $%.2f\n",…arrow_forwardWrite a Phyton program that computes the duration of a projectile’s flight and its height above the ground when it reaches the target. As part of your solution, you should display instructions to the program user. Relevant formula: time = distancevelocity xcos (θ) height = velocity xsin x time- g x time22 use the following variables: g = gravitational constant = 32.17 = angle of elevation in radian v = velocity or the projectile velocity (ft/sec) d= distance to target t = time of flight in seconds. h = height at impact Try your program on these data sets.arrow_forward
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