Answer to each question should be a executable java code, tested and run You implement each question in a separate .java file.

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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Answer to each question should be a executable java code, tested and run

  • You implement each question in a separate .java file.
Question 1: (Physics: acceleration) Average acceleration is defined as the change of velocity divided by the time
taken to make the change, as shown in the following formula:
V – Vo
a =
Here, v0 is the starting velocity in meters/second, v1 is the ending velocity in meters/second, and t is the time span
in seconds. Assume v0 is 5.6, v1 is 10.5, and t is 0.5, and displays the average acceleration.
Question 2: (Slope of a line) Write a program that prompts the user to enter the coordinates of two points (x1, yl)
and (x2, y2), and displays the slope of the line connects the two points. The formula of the slope is
(y2 - y,)/(x, - x,). Here is a sample run:
<output>
Enter the coordinates for two points: 4.5 -5.5 6.6 -6.5 <enter icon>
The slope for the line that connects two points (4.5, -5.5) and (6.6, -6.5)
is -0.47619
<end output>
Question 3: (Split digits) Write a program that prompts the user to enter a four-digit integer and displays the number
in reverse order. Here is a sample run:
<output>
Enter an integer: 5213 <Enter icon>
3125
<end output>
Transcribed Image Text:Question 1: (Physics: acceleration) Average acceleration is defined as the change of velocity divided by the time taken to make the change, as shown in the following formula: V – Vo a = Here, v0 is the starting velocity in meters/second, v1 is the ending velocity in meters/second, and t is the time span in seconds. Assume v0 is 5.6, v1 is 10.5, and t is 0.5, and displays the average acceleration. Question 2: (Slope of a line) Write a program that prompts the user to enter the coordinates of two points (x1, yl) and (x2, y2), and displays the slope of the line connects the two points. The formula of the slope is (y2 - y,)/(x, - x,). Here is a sample run: <output> Enter the coordinates for two points: 4.5 -5.5 6.6 -6.5 <enter icon> The slope for the line that connects two points (4.5, -5.5) and (6.6, -6.5) is -0.47619 <end output> Question 3: (Split digits) Write a program that prompts the user to enter a four-digit integer and displays the number in reverse order. Here is a sample run: <output> Enter an integer: 5213 <Enter icon> 3125 <end output>
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