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3 years ago

Which letter shows the ball when it has the maximum kinetic energy

Computers and Technology

1 answer:

DedPeter [7]3 years ago

5 0

Answer:

Explanation:

Kinetic energy can be defined as an energy possessed by an object or body due to its motion.

Mathematically, kinetic energy is given by the formula;

$K.E = \frac{1}{2}MV^{2}$

Where;

K.E represents kinetic energy measured in Joules.
M represents mass measured in kilograms.
V represents velocity measured in metres per seconds square.

Generally, when the final velocity at which a physical object moves is equal to zero (0), then it possess maximum kinetic energy.

Hence, the letter which shows the ball when it has the maximum kinetic energy in the graph attached is D.

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3 years ago

How to unblock your Wi-fi if it is blocked by your administrator .

alexgriva [62]

Answer:

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Explanation:

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3 years ago

What is the value of the average variable after the following code is executed? var sum = 0; var prices = [14, 10, 9, 12, 11, 14

Reika [66]

Answer:

The value of average is 11

Explanation:

Analyzing the program line by line

This line initializes sum to 0

var sum = 0;

This line defines an array named prices and it also fills it with integer values.

var prices = [14, 10, 9, 12, 11, 14, 10, 8];

The italicized lines is an iteration that adds every element of prices and saves the result in variable sum

for( var i = 0; i < prices.length; i++ ) {

sum = sum + prices[i];

}

At this point, the value of sum is 88

The next line divides the value of sum (88) by the length of the array (8) which gives 11.

11 is then saved in variable average

var average = sum/prices.length;

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4 years ago

List and explain the factors to consider when buying a computer

PSYCHO15rus [73]

Answer:

what it's main use is going to be

Explanation:

The main factor when considering buying a PC is what it's main use is going to be. This will determine what components you will need to look for. For example, if you are going to use the computer for video editing and work then you will need one with a high end CPU and lots of RAM. If you are going to use the PC for regular everyday use such as work programs (AutoCAD, Office, Photoshop, etc. ) Then you can buy a regular office computer with a mid-tier CPU, and 8GB of RAM, and no graphic card. A PC for gaming at high resolutions will require all high end parts including a high end graphics card. Therefore, knowing what its main use will be will determine cost, and what tier components you will need to buy.

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3 years ago

2. Write these functions definitions:

GREYUIT [131]

Answer:

Complete the code with the following code segment:

void add2Numbers(){

int num1, num2;

cout<<"Enter any two numbers: ";

cin>>num1>>num2;

cout<<num1+num2;

}

void sub2Numbers(){

int num1, num2;

cout<<"Enter any two numbers: ";

cin>>num1>>num2;

cout<<num1-num2;

}

void mul2Numbers(){

int num1, num2;

cout<<"Enter any two numbers: ";

cin>>num1>>num2;

cout<<num1*num2;

}

void div2Numbers(){

int num1, num2;

cout<<"Enter any two numbers: ";

cin>>num1>>num2;

if(num2==0){

cout<<"Division by 0 is invalid";

}else{

cout<<(float)num1/num2;}

}

Explanation:

The function added to this solution are:

add2Numbers
sub2Numbers
mul2Numbers
div2Numbers

Each of the functions

declares two integers num1 and num2
prompt user for inputs
gets user inputs from the user

For add2Numbers() function:

This line adds the two integer numbers and prints the result

cout<<num1+num2;

For sub2Numbers() function:

This line subtracts the two integer numbers and prints the result

cout<<num1-num2;

For mul2Numbers() function:

This line multiplies the two integer numbers and prints the result

cout<<num1*num2;

For div2Numbers() function:

This if condtion checks if the denominator is 0

if(num2==0){

If yes, the following is printed

cout<<"Division by 0 is invalid";

If otherwise, the division is calculated and the result is printed

cout<<(float)num1/num2;

See attachment for complete program

Download cpp

7 0

3 years ago