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1 year ago

"The constructor signature is defined as the constructor followed by the . (3 points)

1 answer:

4 0

"The constructor signature is defined as the constructor <em>name </em>followed by the <em>parameter list. </em>(Option A)

<h3>What is a constructor?</h3>

A constructor is a specific sort of subroutine that is invoked to build an object in class-based, object-oriented programming. It is responsible for preparing the new object for usage by receiving parameters that the constructor uses to set needed member variables.

A constructor is a particular function in Java that is used to initialize objects. When a class object is formed, the constructor is invoked.

It is called a constructor because it builds the values when an object is created. A constructor does not have to be written for a class. It's because the java compiler generates a default constructor if your class lacks one.

Learn more about Constructor:
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Suppose the work required to stretch a spring from 1.1m beyond its natural length to a meters beyond its natural length is 5 J,

Nadya [2.5K]

Answer:

Explanation:

The formula for the work done on a spring is:

$W = \frac{1}{2}kx^{2}$

where k is the spring constant and x is the change in length of the string

For the first statement,

x = (a-1.1), W = 5

=> $5 = \frac{1}{2}k(a-1.1)^{2}$

Now making k the subject of formula, we have:

$k = \frac{10}{(a-1.1)^2} ---------------- (A)$

For the second statement,

x = (a-4.8), W = 9

=> $9 = \frac{1}{2}k(a-4.8)^{2}$

Now making k the subject of formula, we have:

$k = \frac{18}{(a-4.8)^{2} } ------------------------- (B)$

Equating A and B since k is constant, we have:

$\frac{10}{(a-1.1)^{2} } = \frac{18}{(a-4.8)^{2} }$

solving for the value of a

$8a^{2} +56.4a-208.62=0$

solving for a, we get:

a = 2.6801 or -9.7301

but since length cannot be negative, a = 2.68m

substituting the value of a in equation B, we have:

$k=\frac{18}{(2.68-4.8)^{2} }$

k = 4.005

6 0

4 years ago

What are three distractions that can prevent a driver from focusing on driving? Explain how a driver can prevent these distracti

DIA [1.3K]

Phone- turn it off

loud music - keep it turned down to a reasonable volume (cause you could start singing and get distracted)

other cars on the road - keep your eyes looking forward.

hope this helps.

8 0

3 years ago

Your son is complaining that his smartphone is broken. He tells you that he cannot connect to the internet, nor can he make or r

ycow [4]

Answer:

the correct and only reasonable answer is option B

3 0

2 years ago

Where should broadheads be kept while traveling to and from the field? in a plastic bag to protect from moisture in a carrier at

saul85 [17]

Broadheads should be kept in a quiver with a cover while traveling to and from the field.

<h3>What is arrowhead?</h3>

The head or point of an arrow, which makes up the majority of the projectile's mass and is in charge of striking and piercing targets as well as serving other specific functions such as signaling, is frequently sharpened and hardened.
The first arrowheads were made of stone and organic materials; as human civilizations advanced, various alloy materials were used.
Projectile points are a type of arrowhead, which is an important archaeological artifact.
Modern enthusiasts still make over one million completely new spear and arrow points each year. A skilled craftsperson who makes arrowheads is known as an arrowsmith.
An arrowhead is a sharpened tip that was used as a hunting tool as well as a weapon during warfare.

To learn more about Broadheads, refer to:

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7 0

1 year ago

Write a method named circleArea that accepts the radius of a circle as a parameter (as a real number) and returns the area of a

lions [1.4K]

Answer:

public static double circleArea(double radius){

double area = 3.142*Math.pow(radius,2);

return area;

}

Explanation:

Find the complete program in java that prompts the user to enter a value for radius, stores it in a variable, calls the method circleArea() and passes the value for the radius, then displays the area.

import java.util.Scanner;

public class CocaColaVendingTest {

public static void main(String[] args) {

Scanner in = new Scanner(System.in);

System.out.println("Please enter the value for radius");

double r = in.nextDouble();

//Calling the method circleArea()

double calcArea = circleArea(r);

System.out.println("The Area is: "+calcArea);

}

public static double circleArea(double radius){

double area = 3.142*Math.pow(radius,2);

return area;

}

6 0

3 years ago

"The constructor signature is defined as the constructor __________ followed by the __________. (3 points)

"The constructor signature is defined as the constructor followed by the . (3 points)