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sdas [7]
3 years ago
6

Which statement below can be used to read data from a file one character at a time?

Engineering
1 answer:
Paraphin [41]3 years ago
8 0

Answer:

b

Explanation: because it says input file.read

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HELP FAST WILL MARK BRAINLIEST (for a real answer)
Nata [24]

Answer:

B. 180 million joules

Explanation:

Apply the formula for heat transfer given as;

Q=m*c*Δt  where

Q = electrical energy consumed by the heater in joules

m= mass of air in the chamber in kg

c= specific heat of air in joules per kg degrees Celsius

Δt= change in temperatures in degrees Celsius

Given in the question;

m= 1200 kg

c= 1000 J/°C /kg

Δt = 180°-30°= 150° C

Substitute values in the equation to get Q as;

Q=m*c*Δt

Q= 1200 * 1000* 150

Q= 180000000 joules

Q = 180 million joules

<u>The correct answer option is B : 180 million joules.</u>

7 0
3 years ago
An isolation transformer whose main purpose is to reduce voltage spikes will have a turns ratio of?
garik1379 [7]

Answer:

An isolation transformer whose main purpose is to reduce voltage spikes will have a turns ratio of 1 to 1.

This is due to the windings input and output having the same waveform and amplitude.

6 0
2 years ago
A steady, incompressible, two-dimensional velocity field is given by the following components in the x-y plane: u=1.85+2.05x+0.6
AnnZ [28]

Answer:

\frac{du}{dt} = 1.515

\frac{dv}{dt} = 5.511

Explanation:

The acceleration field is obtained by deriving the components in function of the time. That is to say:

\frac{du}{dt}=2.05\cdot \frac{dx}{dt}+0.656\cdot \frac{dy}{dt}\\\frac{dv}{dt} = -2.18\cdot \frac{dx}{dt} -2.05\cdot \frac{dy}{dt}

Where \frac{dx}{dt} = u and \frac{dy}{dt} = v.

The velocity components at given point are, respectively:

u = 2.424

v=-5.266

Lastly, the acceleration components are found:

\frac{du}{dt} = 1.515

\frac{dv}{dt} = 5.511

7 0
3 years ago
Why won't Brainly let me make a account or log in? It's always telling me that it can't take my registration at this time or it
patriot [66]

Answer:

I don't know. It does the same thing to me to. I had to create a new account with my friends email because it won't let me log in

Explanation:

5 0
3 years ago
A data record of all of someone's online activity is called a
aev [14]

Answer:

The answer is computer cookies.

Explanation:

Smartness :D

4 0
3 years ago
Read 2 more answers
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