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blondinia [14]
2 years ago
7

15. Whether technology is good or bad depends on how it is used.

Engineering
2 answers:
Reptile [31]2 years ago
4 0

Answer:

true

Explanation:

miskamm [114]2 years ago
4 0

Answer:

True

Explanation:

The internet is a very useful tool, but remember there are billions of people out there who would use it for good purpose or bad ones.

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The following two DC motors are to be compared for certain application:
7nadin3 [17]
Explain simply pleaseeeeeee
3 0
3 years ago
A stainless steel ball (rho = 8055 kg/m3, cp = 480 J/kg·K) of diameter D = 0.21 m is removed from the oven at a uniform temperat
Nataliya [291]

Answer:

Explanation:

The complete detailed  explanation which answer the question efficiently is shown in the attached files below.

I hope it helps a lot !

5 0
3 years ago
Read 2 more answers
Some_____
Thepotemich [5.8K]

Answer:

it’s IGS

Explanation:

because i read

5 0
3 years ago
A well-established way of power generation involves the utilization of geothermal energy-the energy of hot water that exists nat
jeka94

Answer:

the maximum thermal efficiency is 29%

Explanation:

the maximum efficiency for a thermal engine that works between a cold source and a hot source is the one of a Carnot engine. Its efficiency is given by

Maximum efficiency= 1 - T2/T1

where

T2= absolute temperature of the cold sink (environment)= 20°C + 273 = 293

T2= absolute temperature of the hot source (hot water supply) = 140°C + 273 = 413

therefore

Maximum efficiency= 1 - T2/T1 = 1 - 293/413 = 0,29 =29%

3 0
3 years ago
The basic barometer can be used to measure the height of a building. If the barometric readings at the top and at the bottom of
bixtya [17]

Answer:

h = 287.1 m

Explanation:

the density of mercury \rho =13570 kg/m3

the atmospheric pressure at the top of the building is

p_t = \rho gh  = 13570*908*0.73 = 97.08 kPa

the atmospheric pressure at bottom

p_b = \rho gh  = 13570*908*0.75 = 100.4 kPa

\frac{w_{air}}{A} =p_b -p_t

we have also

(\rho gh)_{air} = p_b - p_t

1.18*9.81*h = (100.4 -97.08)*10^3

h = 287.1 m

7 0
3 years ago
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