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Elden [556K]
3 years ago
6

This just a question that I keep forgetting, are lightskin people black.??

Engineering
2 answers:
erastova [34]3 years ago
5 0
Well kind of. usually you could refer to them as mixed.
Firdavs [7]3 years ago
3 0

Answer:

yes and no

Explanation:

well actually this is a very touchy topic with it going all the way to back to 1200 bc. Because not all light skin people are black because mexicans or even some asians may be considered light skin but they are still not black. Hopefully this helped you.

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2. How many amperes of current will flow through a circuit that has 3 ohms of resistance if
Dmitriy789 [7]

Answer:

4A

Explanation:

From Ohms law ;

R= V/I where R is resistance, V is voltage and I is current

Given that;

R= 3Ω

V= 12

Using the values in the formula as;

R= V/I

3=12/I

I= 12/3

I= 4 A

4 0
2 years ago
Suppose that H1(s) and H2(s) are two strictly proper singleinput, single-output transfer functions with controllable statespace
kvv77 [185]

Answer:

Explanation:

See attached files.

6 0
3 years ago
In the action adventure film Indiana Jones and the Raiders of the Lost Ark, Indiana Jones searches for the Ark of the Covenant.
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7 0
3 years ago
Which one of the following statements concerning the elastic potential energy of a ball attached to a spring is false when the b
umka21 [38]

Answer:

d) The elastic potential energy is at its maximum when the velocity of the ball is a maximum.

Explanation:

The total energy in a simple harmonic motion is the sum of its kinetic and potential energy.

Option D is false because when the velocity of the ball is at its maximum, the kinetic energy is maximum, and when the kinetic energy is at maximum, the elastic potential energy will be at minimum.

8 0
3 years ago
Liquid water at 300 kPa and 20°C is heated in a chamber by mixing it with superheated steam at 300 kPa and 300°C. Cold water ent
lesya692 [45]

Answer:

0.154kg/s

Explanation:

From this question we have the following information:

P1 = 300kpa

T1 = 20⁰c

M1 = 2.6kg/s

For superheated system

P2 = 300kpa

T2 = 300⁰c

M2 = ??

T2 = 60⁰c

From saturated water table

h1 = 83.91kj/kg

h3 = 251.18kj/kg

From superheated water,

h2 = 3069.6kj/kg

The equation of energy balance

m1h1 + m2h2 = m3h3

When we input all the corresponding values:

We get

m2 = -434.902/-2818.42

m2 = 0.15430

m2 = 0.154kg/s

This is the mass flow rate of the superheated steam

Please check attachment for more detailed explanation.

thank you!

3 0
3 years ago
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