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Whitepunk [10]
3 years ago
12

Retype the statements, correcting the syntax error in each print statement. print('Predictions are hard.") print(Especially abou

t the future.) user_num = 5 print('user_num is:' user_num)
Engineering
1 answer:
marshall27 [118]3 years ago
3 0
Print(‘Predictions are hard’)
print(‘Especially about the future’)
user_num = 5
print(‘user_num is:’+str(user_num))

There are many ways to do the last print. Look up string interpolation
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Two piezometers have been placed along the direction of flow in a confined aquifer that is 30.0 m thick. The piezometers are 280
Dafna11 [192]

Answer:

time = 224 days

Explanation:

given data

thick = 30 m

piezometers =  280 m

head between  two = 1.4 m

aquifer hydraulic conductivity = 50 m

porosity =  20%

solution

we get here average pole velocity that is get by using Darcy law that is

Va = \frac{k}{\eta } \times \frac{\Delta h}{L}   ................1

here Va is average pole velocity and k is hydraulic conductivity and \eta is porosity  

here v is = k \times  \frac{dh}{dl}   ...........2

v = 50 × \frac{1.4}{280}

v = 0.25 m/day

and here average linear velocity Va will be

Va = \frac{v}{\eta }  

Va = \frac{0.25}{0.2}  

Va = 1.25 m/day  

travel time for water will be

time = \frac{280}{1.25}  

time = 224 days

8 0
3 years ago
A motor takes 38 amperes on a 220-volt circuit. Find the horsepower output (hp) of the motor shown with an efficiency of 90%. Ex
IrinaK [193]

This question involves the concepts of power and current.

The power output of the motor is "10.08 hp".

<h3>Power Output</h3>

The power output of the motor can be found using the following formula:

P = ηVI

where,

  • P = Power = ?
  • η = efficiency = 90 % = 0.9
  • I = current = 38 A
  • V = potential difference = 220 V

Therefore,

P = (0.9)(38 A)(220 V)

P = 7524 watt

converting this to horsepower:

P = (7524 watt)(\frac{1\ hp}{746\ watt})

P = 10.08 hp

Learn more about power here:

brainly.com/question/13948282

#SPJ1

7 0
2 years ago
Now, suppose that you have a balanced stereo signal in which the left and right channels have the same voltage amplitude, 500 mV
eimsori [14]

Answer:

R₁ = 32kΩ

Explanation:

See attached image

6 0
3 years ago
10. Identify one material we Mine and what we make with that material
Katen [24]

Answer:

We Mine Limestone. Its used to make cement, toothpaste or paints, soil conditioner, and rip rap stone.

Explanation:

7 0
3 years ago
Which of the following is described as a way engineers can test and investigate how things should be under certain circumstances
goblinko [34]

Answer:

The option that is best described as a way engineers can test and investigate how things should be under certain circumstances is;

  • Modeling

Explanation:

Modeling is a tool an engineer can use for the physical representation of a system that will facilitate the definition, testing and analysis, communication, data generation, data verification and data validation of given concepts

Models also aid in setting specifications, supporting designs, and verification of a given system

Therefore, with modeling engineers can investigate the behavior of systems under given environmental conditions.

3 0
3 years ago
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