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Alex Ar [27]
3 years ago
12

A woodcutter wishes to cause the tree trunk to fall uphill, even though the trunk is leaning downhill. With the aid of the winch

W, what tension T in the cable will be required?
The 600-kg trunk has a center
of gravity at G. The felling notch at O is sufficiently large so that the resisting moment there is negligible. Enter your answer in (N) - numerical value only
Engineering
1 answer:
Sedbober [7]3 years ago
8 0

Answer:

The correct answer will be "400.4 N". The further explanation is given below.

Explanation:

The given values are:

Mass of truck,

m = 600 kg

g = 9.8 m/s²

On equating torques at the point O,

⇒  T\times Cos(10+5)\times (1.3+4)=mg\times Sin(5)\times 4

So that,

On putting the values, we get

⇒  T\times Cos(15^{\circ})\times 5.3=600\times 9.8\times Sin(5^{\circ})\times 4

⇒                             T=400.4 \ N

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Convection:

              In convection heat transfer of fluid takes place due to density difference .In simple words we can say that heat transfer occur due to motion of fluid.

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3 years ago
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On what frequency can you expect to monitor air traffic in and around<br> Lincoln Airport?
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Answer:

118.5

Explanation:

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6 0
3 years ago
Programming Assignment 2 Decimal and IEEE-754 ConversionsObjective: To write a C program (not C++) that converts numbers between
kondaur [170]

Answer:

// Program is written in C Programming Language

// Comments are used for explanatory purpose

// Program starts here

#include<stdio.h>

#include<math.h>

//Function to Convert to float

void To float(int num, int I)

{

//Create a kount variable

int kount;

// Start an iteration

for(kount=i-1; kount>0; kount--)

{

if((num>>kount) && 1) {printf("1");}

else { printf("0"); }

}

}

// Create a user defined variable

typedef union {// Definition

float Number;

struct

{

// Mantissa

unsigned int mant : 23;

// Exponent

unsigned int exp : 8;

// Sign

unsigned int sign: 1;

} raw;

} myfloat; // Variable name

// Create print segment

void printsegment(myfloat var)

{

printf("%d |", var.raw.sign);// Sign

To float(var.raw.exp,8); // Exponent

printf("|");

To float(var.raw.mant,8); // Mantissa

printf("\n");

}

// Function to Convert to Real

unsigned int ToReal(int* dig[], int l, int h)

{

unsigned int f = 0, I;

Start an iteration

for(I = h; I>=l;I--)

{

// Calculate individual value

f = f + dig[I] * pow(2,h-1);

}

return f;

}

// Main method start here

int main()

{

printf("Floating Point Conversion\n");

printf("Select any of the following options\n");

printf("1. Decimal to IEEE754 Conversion\n");

printf("2. IEEE754 to Decimal Conversion\n");

printf("3. Quit");

// Declare integer variable for option

int opt;

// Prompt to select option

printf("Select an option; Option 1 to 3: ");

scanf("%d", $opt);

if(opt == 1)

{

printf("You have selected option 1");

// Declare a user defined variable and a system defined variable

myfloat var; float number;

// Accept input

scanf("%d", number);

// Check for special cases

if(isnan(number/0.0))// Not a number

{

printf("Not a Number");

}

else

{

var.f = number;

// Print Sign

printf("%d | ", var.raw.sign);

// Print Exponent

ToFloat(var.raw.exp,8);

printf(" | ");

// Print Mantissa

ToFloat(var.raw.mant,23);

}

}// End of option 1;

// Beginning of option 2

else if(opt == 2)

{

printf("You have selected option 2");

// Declare an array and two integer variables

unsigned int number[32];

int ctrlno, I = 0;

// Accept input by through an iteration

for(int k = 0; k < 32; k++)

{

// Create a label

label: scanf("%d", ctrlno);

// Check for special cases

if(isnan(ctrlno/0.0))// Not a number

{

printf("Not a Number"); I++;

break;

}

else if(ctrlno>1 || ctrlno < 0)

{

printf("Invalid Number\n Please enter a valid digit");

goto label;

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number[k] = ctrlno;

}

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if(I != 0)

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printf(" Invalid Number Representation");

}

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// Declare user defined variable

myfloat var;

// Get sign

var.raw.sign = number[0];

// Get mantissa; From to 31

unsigned f = ToReal(number,9,31);

var.raw.mant = f;

// Get exponent; 1 to 8

f = ToReal(number,1,8);

var.raw.exp = f;

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printf("The converted digit is ");

printf("%f", var.f);

}

else

{

// Quit Application

break;

}

return 0;

}

3 0
3 years ago
The velocity field of a flow is given by where x and y are in feet. Determine the fluid speed at points along the x axis; along
lora16 [44]

Answer:

Using the formula

V =20y/(x^2+y^2)^1/2 - 20x/(x^2+y^2)^1/2

Hence fluid speed at x axis =20x/(x^2+y^2)^1/2

While the fluid speed at y axis =20y/(x^2+y^2)^1/2

Now the angle at 1, 5

We substitute into the formula above

V= 20×5/(1+25)^1/2= 19.61

For x we have

V = 20× 1/(1+25)^1/2= 3.92

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Angel at 5, and 2

We substitute still

V = 20×5/(2+25)^1/2=19.24

At 2 we get

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V = 20/(1)^1/2=20

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Angel at 2 and 0 = 20degrees

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V = 100/(25+ 4)^1/2=18.56

At x = 2

40/(√29)=7.43

Angle =18.56/7.43 = 2.49degrees.

6 0
3 years ago
Read 2 more answers
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