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Masteriza [31]
3 years ago
9

Which ancient civilization can you trace the development of manufacturing

Engineering
1 answer:
nikdorinn [45]3 years ago
8 0

Answer:

C

Explanation:

Sumerians invented new technologies and perfected the large-scale use of existing ones. In the process, they transformed how humans cultivated food, built dwellings, communicated and kept track of information and time

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Someone help me to do this?
Lera25 [3.4K]

Answer:

okay it is faster and easier

4 0
2 years ago
Harmony in music is characterized by _____.
stira [4]

Answer:

the vertical relationship of pitches.

Explanation:

Harmony can be defined as the use of simultaneous pitches ( two or more tones and notes) or chords played at the same time together.

Harmony in music is characterized by the vertical relationship of pitches. The three most popular and essential forms of harmony are;

1. Diatonic harmony.

2. Non-diatonic harmony.

3. Atonal harmony.

6 0
3 years ago
Read 2 more answers
Two point charges of values +2.0 and +5.5 μC, respectively, are separated by 0.50 m. What is the potential energy of this 2-char
IgorC [24]

Answer:

U=0.198J

Explanation:

The potential energy associated with two point charges is given as

U=(Kq1q2)/r

Where k=8.99*10⁹N.m²/C²

r=0.5m,

q₁=2μc,

q₂=5.5μc

If we substitute values into the equation we arrive at

U=(8.99*10⁹N.m²/C²* 2*10⁻⁶*5.5*10⁻⁶)/0.5

U=197.78*10⁻³

U=0.198J

From the calculation above, we can conclude that the potential energy between the two system of charges is 0.198J

8 0
4 years ago
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One unethical decision won't cause any harm.( true) or (false)
konstantin123 [22]

Answer:

true

Explanation:

7 0
3 years ago
Read 2 more answers
A venturi meter is to be installed in a 63 mm bore section of a piping system to measure the flow rate of water in it. From spac
Alex Ar [27]

Answer:

Throat diameter d_2=28.60 mm

Explanation:

 Bore diameter d_1=63mm  ⇒A_1=3.09\times 10^{-3} m^2

Manometric deflection x=235 mm

Flow rate Q=240 Lt/min⇒ Q=.004\frac{m^3}{s}

Coefficient of discharge C_d=0.8

We know that discharge through venturi meter

 Q=C_d\dfrac{A_1A_2\sqrt{2gh}}{\sqrt{A_1^2-A_2^2}}

h=x(\dfrac{S_m}{S_w}-1)

S_m=13.6 for Hg and S_w=1 for water.

h=0.235(\dfrac{13.6}{1}-1)

h=2.961 m

Now by putting the all value in

Q=C_d\dfrac{A_1A_2\sqrt{2gh}}{\sqrt{A_1^2-A_2^2}}

0.004=0.8\times \dfrac{3.09\times 10^{-3} A_2\sqrt{2\times 9.81\times 2.961}}{\sqrt{(3.09\times 10^{-3})^2-A_2^2}}

A_2=6.42\times 10^{-4} m^2

 ⇒d_2=28.60 mm

So throat diameter d_2=28.60 mm

     

4 0
3 years ago
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