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labwork [276]
3 years ago
13

Please help thank you

Physics
1 answer:
Valentin [98]3 years ago
5 0
Diagram A is the correct diagram
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________ is characterized by the separation of light- and dark-colored minerals into thin layers or bands.
erastova [34]

Answer:

Granitic gneiss is characterized by the separation of light- and dark-colored minerals into thin layers or bands.

Explanation:

Intense heat and pressure can also metamorphose granite into a banded rock known as "granite gneiss." This transformation is usually more of a structural change than a mineralogical transformation. Granite gneiss can also form through the metamorphism of sedimentary rocks.

6 0
3 years ago
How much heat is required to convert 0.3 kilogram of ice at 0°C to water at the same temperature
Grace [21]

Answer:

100,200J of heat is required to convert 0.3kg of ice of 0°C to water at same temperature.

Explanation:

Heat = mass * lf

Latent heat of fusion (lf) of water is 334J/g

Heat = 300g * 334 J/g

Heat = 100,200J of heat

6 0
3 years ago
Read 2 more answers
Lewis structure for BeCI2<br>​
ludmilkaskok [199]

Answer:

you can see it in the picture

5 0
2 years ago
When a 4.60-kg object is hung vertically on a certain light spring that obeys Hooke's law, the spring stretches 2.30 cm. (a) If
Alex787 [66]

Answer:

a) y = 0.0075 m

b) W = 1.569 J

Explanation:

See attachment for the solution

6 0
3 years ago
An industrial firm has two electrical loads connected in parallel across the power source. Power is supplied to the firm at 4000
Andrei [34K]

Answer:

I = 27.65A < 40.59°

PowerFactor = 0.76

Explanation:

Current on the heating load is:

I1 = 30KW / 4KV = 7.5A < 0°

Current on the inductive load:

I2 = (150KVA*0.6) /4KV = 22.5A  with an angle of acos(0.6)=53.1°

The sum of both currents is:

It = I1 + I2 = 7.5<0° + 22.5<53.1° = 27.65<40.59°

Now, the power factor will be:

pf = cos (40.59°) = 0.76

7 0
3 years ago
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