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Pani-rosa [81]
2 years ago
6

Write a statement that reads a floating point value from standard input into temperature. Assume that temperature. has already b

een declared as an double variable. Assume also that stdin is a variable that references a Scanner object associated with standard input.
Computers and Technology
1 answer:
Vladimir79 [104]2 years ago
8 0

Answer:

cin>>temperature;

Explanation:

This statement in c++ will take the input.The value entered by the user  on the screen will be stored in the variable temperature. cin is an standard input method in c++ and is used take input from the screen. It is an object of istream class that is standard input stream .It corresponds to C stream stdin.

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What is the distance rn between the point of application of n⃗ and the axis of rotation? what is the distance rw between the poi
Mandarinka [93]

Complete Question.

A. Suppose that you are holding a pencil balanced on its point. If you release the pencil and it begins to fall, what will be the angular acceleration when it has an angle of 10.0 degrees from the vertical?

B. What is the distance rn between the point of application of n⃗ and the axis of rotation?

C. What is the distance rw between the point of application of w⃗ and the axis? enter your answers in meters separated by a comma?

Answer:

A. â = - 17rad/s²

B. rn = 0, meters

C. rw = 0.074, meters

Explanation:

Where;

l = length of the pencil

θ = angle between the vertical line and the pencil

â = angular acceleration.

The torque due to weight about the pivotal point is negative since it's clockwise;

t = - mg(l/2)sinØ ..... equation 1

torque with respect to angular acceleration;

t = Iâ ..... equation 2

The moment of Inertia of the pencil about one end;

I = (ml²)/3

Substituting I into equation 2;

t = [(ml²)/3]×â

Equating the equation, we have;

[(ml²)/3]×â = - mg(l/2)sinØ

â = (-3gsinØ)/2l

â = (-3*9.8*sin10°)/(2*0.15)

Angular acceleration, â = -17rad/s²

B. The normal force is acting at the normal force only, so the distance r n between the point of application of n ⃗ and the axis of rotation is zero because the axis of pencil is passing the same point of application w.

C. rn = (lcosØ)/2

rn = (0.15 * cos10°)/2

rn = (0.15 * 0.9848)/2

rn = (0.1477)/2

rn = 0.074m.

Since the gravity acts at exactly half of the length of pencil, distance r w between the point of application of w⃗ and the axis equals 0.074m.

8 0
2 years ago
[20 points] 3.3 Code Practice: Question 2
igor_vitrenko [27]

Answer:

See explanation

Explanation:

The attachment show that you've attempted the question already.

I'll assist in making corrections to your source code.

First, edit line 5 to

if(r<= 255 and g<=255 and b <=255):

Then edit line 8 to:

if(r>= 255):

Then edit line 11 to:

if(g>= 255):

Lastly, edit line 14 to:

if(b>= 255):

<em>Other part of the attachment is correct</em>

3 0
2 years ago
Which command suppresses the visibility of a particular Row or column in a worksheet?
leonid [27]

Answer:

Ctrl+Space is the keyboard shortcut to select an entire column.

Explanation:

When you press the Shift+Space shortcut the first time it will select the entire row within the Table.  Press Shift+Space a second time and it will select the entire row in the worksheet.

The same works for columns.  Ctrl+Space will select the column of data in the Table.  Pressing the keyboard shortcut a second time will include the column header of the Table in the selection.  Pressing Ctrl+Space a third time will select the entire column in the worksheet.

You can select multiple rows or columns by holding Shift and pressing the Arrow Keys multiple times.

4 0
2 years ago
Computers represent color by combining the sub-colors red, green, and blue (rgb). Each sub-color's value can range from 0 to 255
maxonik [38]

Answer:

Follows are the code to this question:

#include <iostream>//defining a header file

using namespace std; //using namespace

int main() //defining main method

{

int red,green,blue,s; //defining integer variable

cout<<"Enter value: \n ";//print message

cin>>red>>green>>blue; //input value

if(red<green && red<blue)//defining if block that checks red value

s=red;//store red variable value to s variable

else if(green<blue)//defining else if block that checks green value less then blue

s=green;//store green variable value in s variable

else//defining else block

s=blue; //store blue variable value in s variable

//calculating red, green, blue value

red=red-s;//store red value

green=green-s;//store green value

blue=blue-s;//store blue value

cout<<red<<" "<<green<<" "<<blue;

}

Output:

Enter value:

130  

50

130

80 0 80

Explanation:

In the above code, inside the Main method, four integer variable "red, green, blue, and s" is defined, in which "red, green, and blue" is used for input the value from the user end.

  • In the next step, a conditional statement is used, that checks the red variable value, if the condition is true, it will store its value in the "s" variable, otherwise, it will go to else if block.
  • In this block, the green variable checks its value less than then blue variable value, if the condition is true, it will store the green value in the "s" variable, otherwise, it will goto else block.
  • In this block, it will store the blue variable value in the "s" variable, and subtract the value of "red, green, and blue" value from "s" and store its value, and at the last, it will print its value.    
4 0
2 years ago
The alternative to encapsulating security protocol (esp) is _________.
Lina20 [59]
The alternative to Encapsulating Security Protocol (ESP) is Authentication Header (AH). Hope this helped!
8 0
2 years ago
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