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3 years ago

A(n)_____is an interconnected collection of computers.

Engineering

1 answer:

Oduvanchick [21]3 years ago

7 0

Answer:

Network is a collection of computers

Explanation:

A network is a gathering of at least two gadgets that can convey. Practically speaking, a system is included various distinctive PC frameworks associated by physical or potentially remote associations.

The scale can run from a solitary PC sharing out fundamental peripherals to huge server farms situated far and wide, to the Internet itself. Despite extension, all systems permit PCs or potentially people to share data and assets.

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Using data in Appendix A ,calculate the number of atoms in 1 tonne of iron

maksim [4K]

<h2>Answer:</h2>

$1.0783*10^{28}(atoms).$

<h2>Explanation:</h2>

<em>Since I don't have access to "Appendix A", I'll solve the problem using data from the periodic table.</em>

<em />

<h3>1. Determine the molar mass of iron.</h3>

<em>According to the periodic table, the molar mass of iron is:</em>

55.845g/mole.

<h3>2. Convert 1 tonne to grams.</h3>

$1(tonne)*1000=1000kg\\1000kg*1000=1000000g=10^6g$

<h3>3. Apply rule of 3.</h3>

$55.845g$ ----------- $1 mole$

$10^6g$ ----------- $x$

$x=\frac{10^6*1}{55.845}=17906.7061(moles)$

<h3>4. Determine the amount of atoms.</h3>

<em>Considering that there are, approximately, </em> $6.022*10^{23}$ atoms in a mole of any element, apply another rule of 3.

1 mole --------------------- $6.022*10^{23}(atoms)$

$17906.7061(moles)$ --------------------- x

$x=\frac{17906.7061*6.022*10^{23}}{1}=1.0783*10^{28}$ .

4 0

2 years ago

Nitrate salts (NO3-), when heated, can produce nitrites (NO2-) plus oxygen (O2). A sample of potassium nitrate is heated, and th

Mice21 [21]

Answer:

0.07973 moles of O2 gas were produced

2.66 atm

Explanation:

Using the ideal gas equation

PV =nRT

P =pressure = 2.9 atm

V= volume = 720 mL = 720mL/1000= 0.72 L

n = number of moles = ?

R = the gas constant = 0.0821 atm L/(mol K)

T = temperature in Kelvin = 319 K

make n subject of the formula

n =PV/RT

n = 2.9 atm x 0.72 L / 0.0821 atm L/(mol K) x 319K = 0.07973 moles of O2 gas were produced

Pnew = atm?

P = nRT/V

= 0.07973 x 0.0821 atm L/(mol K) x 293K/0.72 L = 2.66 atm

5 0

3 years ago

What is the non-linearity error, as a percentage of full range, produced when a 1K Ω potentiometer has a load of 10KΩ & is a

Darina [25.2K]

Answer:

2.28%

Explanation:

Being at one third of its maximum range a potentiometer should output V0/3.

However if this 1kΩ potentiometer has a 10kΩ load:

(1) I1 = I2 + I3

(2) V0 = I1 * 2/3*Rp + I3 * 1/*Rp

(3) Vp = I2 * Rl

(4) Vp = I3 * 1/3 * Rp

Where

I1: current entering the potentiometer

I2: current going to the load

I3: current going to the other leg of the potentiometer

V0: supply voltage

Vp: output voltage of the potentiometer

Rp: total resistance of the potentiometer

Rl: load resistance

First we determine the intensity of I3 in function of supply power

I3 = 3 * Vp / Rp = 3 * Vp / 1000 = 0.003*Vp

Then the load current

I2 = Vp / Rl = Vp / 10000 = 0.0001*Vp

With these we determine I1

I1 = 0.003*Vp + 0.0001*Vp = 0.0031*Vp

Then

V0 = 0.0031 * Vp * 2/3*Rp + 0.003*Vp * 1/3*Rp

V0 = 0.00207 * Vp * Rp + 0.001 * Vp * Rp

V0 = 0.00307 * Vp * 1000

V0 = 3.07 * Vp

Vp = V0 / 3.07

Vp = 0.3257 * V0

Now the percentage error is:

(100 * (0.3333 - 0.3257)) / 0.3333 = 2.28 %

7 0

4 years ago

What is an example of a product made of textile?

Otrada [13]

$beach \: towel \\ \\ hope \: it \: helps$

4 0

2 years ago

You are given a body with no body forces and told that the stress state is given as: ⎡ ⎣ 3αx 5βx2 + αy γz3 5βx2 + αy βx2 0 γz3 0

Lady bird [3.3K]

Answer:

This doesn't represent an equilibrium state of stress

Explanation:

∝ = 1 , β = 1 , y = 1

x = 0 , y = 0 , z = 0 ( body forces given as 0 )

Attached is the detailed solution is and also the conditions for equilibrium

for a stress state to be equilibrium all three conditions has to meet the equilibrum condition as explained in the attached solution

5 0

4 years ago