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DedPeter [7]
4 years ago
14

All electrical wires should clear flat roofs by _______.

Physics
1 answer:
Digiron [165]4 years ago
4 0
<span>All electrical wires should clear eight for flat roofs and 12 for driveways. A complete electrical circuit must have a path, load, and voltage. Two wire service will only have 115V. Voltage itself is the measure of the driving force that drives the electricity in an electrical wire. Electricity in itself can be sold in quantities of kilowatt per hour. </span>
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What is the difference between weathering, erosion, and decomposition?
ladessa [460]
Weathering is where something is changed or mutilated by the weather. Erosion is hwere water or an other substance digs awaya at something and wears it out. I don't exactly know the last one or how to explain
8 0
4 years ago
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A bullet is shot downward out of a high building with an initial speed of 10 m/s. How fast is the bullet traveling after 5 secon
serious [3.7K]

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-59

Explanation:

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Three polarizing filters are shown in the figure below. The alignment of each filterâs transmission axis is shown, as measured f
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3 years ago
A 2 column table with 2 rows. The first column is labeled material with entries gold, iron. The second column is labeled specifi
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Iron atoms are heavier than gold atoms

Explanation:

Chart:

 Materials            Specific heat

  Gold                       0.129

  Iron                          0.45

The specific heat of a substance is the amount of heat required to raise the temperature of 1g of the substance by 1K.

We can see that the more the mass of a substance, the higher the specific heat needed to raise the temperature.

Specific heat is directly proportional to the mass of substance.

It also dependent on the amount of heat supplied and the nature of the substance.

  • The mass of a body is the amount of substance it contains.
  • A heavier substance has more number of atoms in it.
  • Since iron has a higher specific it, the atoms must be heavier or more than that of gold.

learn more:

Specific heat brainly.com/question/7210400

#learnwithBrainly

8 0
4 years ago
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As gravity continues to crush the inner core, the fusion of carbon and oxygen begins. What temperature is needed for the fusion
Olin [163]

Answer:

600,000,000 degree C

Explanation:

This stage is the last stage and is refereed to as supernova. In the beginning of this stage, gravity pulls the inner core and crush it, due to which fusion of atoms starts. Carbon and Oxygen fuse together and the temperature is about of 600,000,000 degree C.

The most heavier atom that can be formed out of this fusion is the iron. The moment all the atoms becomes of iron, no further fusion is possible hence that body emits radiation of high intensity and collapse causing a big supernova.

8 0
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