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SpyIntel [72]
3 years ago
11

Hello, so I have a watch and I don't know where the plugin for the charger is, or what brand it is. Please do help and please DO

N'T STEAL THE POINTS. IM TALKING TO YOU CANCER01 ! ANSWER IT RIGHT OR GET REPORTED. THIS IS YOUR FIRST AND LAST WARNING. IF YOU DARE STEAL MY POINTS IM GIVING TO PEOPLE WHO ANSWER WITH THE RIGHT INFORMATION AND ONLY GET HAVE THE POINTS DUE TO SCAMMERS AND POINT STEALERS I WILL REPORT YOU RIGHT AWAY SO STOP PLAYING WITH ME, THIS IS WHY AS SOON AS I SEE ANOTHER APP MORE RELIABLE AND TRUSTWORTHY THAN BRAINLY, IM DITCHING THIS DUMP BECAUSE PEOPLE LIKE YOU RUIN THE REPUTATION OV BRAINLY, GIVING PEOPLE THE WRONG ANSWER AND PUTTING IN NONE SINCE ALL FOR POINTS AND RANKS. THIS CAN BE A BETTER COMMUNITY IF YOU PEOPLE DIDN'T EXIST ON BRAINLY. NOW TO ALL THE SCAMMERS OUT THERE, ANSWER THIS RIGHT OR LEAVE. THATS ALL I GOT TO SAY.
And to all the people who are considerate of others who need help and take time out of your day to help them, I just want to say...


Thank you, you guys are the best, people like you can help brainly become a better place, and forget those people who steal points for their ranks because they don't know what's it's like to practically be a online tutor because you know what its like to be stuck on a hard question. You guys are the reason why I get through the hard questions on the quizzes. You guys are the reason why people pass. You guys are the glues that holds brainly together. You guys are the reason brainly is still standing today. So I would like to take this time to say... Thank you. For all you do. ❣. ​
Engineering
1 answer:
miss Akunina [59]3 years ago
5 0

Thank you, you guys are the best, people like you can help brainly become a better place, and forget those people who steal points for their ranks because they don't know what's it's like to practically be a online tutor because you know what its like to be stuck on a hard question. You guys are the reason why I get through the hard questions on the quizzes. You guys are the reason why people pass. You guys are the glues that holds brainly together. You guys are the reason brainly is still standing today. So I would like to take this time to say... Thank you. For all you do. ❣.

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The iron-blade plow allowed humans to increase food production during<br> what age?
lilavasa [31]

Answer:

The Iron Age

Explanation:

4 0
3 years ago
Which statement best describes how a hearing aid works?
Verizon [17]

The following statement best describes how a hearing aid works, An implant bypasses parts of the cochlea and sends messages to the brain, where they are then recognized as sound.

Explanation:

  • The hearing aid works as An implant bypasses parts of the cochlea and sends messages to the brain, where they are then recognized as sound.
  • A hearing aid is a device designed to improve hearing by making sound audible to a person with hearing loss.
  • Modern devices uses all sophisticated digital signal processing to try and improve the speech understanding, intelligibility and comfort for the user, such as signal processing
  • Almost all hearing aids in use in the US are digital hearing aids Devices similar to hearing aids include cochlear implant.
  • Early devices, such as ear trumpets or ear horns, were the passive amplification cones which were designed to gather the sound energy and directly goes into the ear canal.
  • Most common issues with hearing aid fitting and use are the occlusion effect, loudness recruitment, and understanding speech in noise.

4 0
3 years ago
A piston–cylinder device contains a mixture of 0.5 kg of H2 and 1.2 kg of N2 at 100 kPa and 300 K. Heat is now transferred to th
Taya2010 [7]

Answer:

(a) The heat transferred is 2552.64 kJ    

(b) The entropy change of the mixture is 1066.0279 J/K

Explanation:

Here we have

Molar mass of H₂ = 2.01588 g/mol

Molar mass of N₂ = 28.0134 g/mol

Number of moles of H₂ = 500/2.01588  = 248 moles

Number of moles of N₂ = 1200/28.0134 = 42.8 moles

P·V = n·R·T

V₁ = n·R·T/P = 290.8×8.3145×300/100000 = 7.25 m³

Since the volume is doubled then

V₂ = 2 × 7.25 = 14.51 m³

At constant pressure, the temperature is doubled, therefore

T₂ = 600 K

If we assume constant specific heat at the average temperature, we have

Heat supplied = m₁×cp₁×dT₁ + m₂×cp₂×dT₂

 cp₁ = Specific heat of hydrogen at constant pressure = 14.50 kJ/(kg K

cp₂ = Specific heat of nitrogen at constant pressure = 1.049 kJ/(kg K

Heat supplied = 0.5×14.50×300 K+ 1.2×1.049×300 =  2552.64 kJ    

b)  \Delta S = - R(n_A \times lnx_A + n_B \times ln x_B)

Where:

x_A and x_B are the mole fractions of Hydrogen and nitrogen respectively.

Therefore, x_A = 248 /(248 + 42.8) = 0.83

x_B = 42.8/(248 + 42.8) = 0.1472

∴ \Delta S = - 8.3145(248 \times ln0.83 + 42.8 \times ln 0.1472) =  1066.0279 J/K

5 0
3 years ago
What is an example of a class 2 lever?
9966 [12]

Answer:

A wheelbarrow, a bottle opener, and an oar are examples of second class levers

6 0
3 years ago
Read 2 more answers
A 4-pole, 3-phase induction motor operates from a supply whose frequency is 60 Hz. calculate: 1- the speed at which the magnetic
DiKsa [7]

Answer:

The answer is below

Explanation:

1) The synchronous speed of an induction motor is the speed of the magnetic field of the stator. It is given by:

n_s=\frac{120f_s}{p}\\ Where\ p\ is \ the \ number\ of\ machine\ pole, f_s\ is\ the\ supply \ frequency\\and\ n_s\ is \ the \ synchronous\ speed(speed \ of\ stator\ magnetic \ field)\\Given: f_s=60\ Hz, p=4. Therefore\\\\n_s=\frac{120*60}{4}=1800\ rpm

2) The speed of the rotor is the motor speed. The slip is given by:

Slip=\frac{n_s-n_m}{n_s}. \\ n_m\ is\ the \ motor\ speed(rotor\ speed)\\Slip = 0.05, n_s= 1800\ rpm\\ \\0.05=\frac{1800-n_m}{1800}\\\\ 1800-n_m=90\\\\n_m=1800-90=1710\ rpm

3) The frequency of the rotor is given as:

f_r=slip*f_s\\f_r=0.04*60=2.4\ Hz

4) At standstill, the speed of the motor is 0, therefore the slip is 1.

The frequency of the rotor is given as:

f_r=slip*f_s\\f_r=1*60=60\ Hz

6 0
3 years ago
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