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iogann1982 [59]
3 years ago
11

Human skin color varies widely around the world, and children do not always exhibit the exact same coloring as their parents. Ba

sed on this information, what is true about human skin color?
Physics
1 answer:
Troyanec [42]3 years ago
6 0
Skin color is left to a trait that can be recessive
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Indicate whether the statement is true or false. an astronaut weighs the same on earth as in space.
tino4ka555 [31]
Weight is different (but mass is the same)
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Two long, parallel, current-carrying wires lie in an xy-plane. The first wire lies on the line y = 0.300 m and carries a current
Marrrta [24]

Answer:

Explanation:

Since the wires attract each other , the direction of current will be same in both the wires .

Let I be current in wire which is along x - axis

force of attraction per unit length between the two current carrying wire is given by

\frac{\mu_0}{4\pi}  x \frac{2 I_1\times I_2}{d}

where I₁ and I₂ are currents in the wires and d is distance between the two

Putting the given values

285 x 10⁻⁶ = 10⁻⁷ x \frac{2\times25.5\times I_2}{.3}

I₂ = 16.76 A

Current in the wire along x axis is 16.76 A

To find point where magnetic field is zero due the these wires

The point will lie between the two wires  as current is in the same direction.

Let at y = y , the neutral point lies

k 2 x  \frac{16.76}{y} = k 2 x \frac{25.5}{.3-y}

25.5y = 16.76 x .3 - 16.76y

42.26 y = 5.028

y = .119

= .12 m

3 0
3 years ago
Alternative sources of energy include : geothermal
baherus [9]

Answer:

All of the above

Explanation:

The correct answer is option E (All of the above)

All the options are alternative source of energy.

The option given are not the traditional way (energy production from coal) of extracting energy as the loss of natural resources does not take place in these source of energy.

energy extracted from wind,  solar light , hydrogen ,etc are the source of energy  the alternative source of production of energy because do not exploit the natural resources, reduce the carbon emission and energy produced by them is clean energy.

6 0
3 years ago
Can someone help me on no. 6
liq [111]

Efficiency = (energy that does the job) / (total energy used)

               =                               (45 J)  /  (120J)

I think you can handle the division.

8 0
3 years ago
I am looking for this answer :Which shows a correct order of steps in the scientific method?
ELEN [110]

Answer:

Explanation:

make observations, draw conclusions, develop a hypothesis, analyze data.

6 0
3 years ago
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