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Vikentia [17]
3 years ago
4

What causes the “heat island” effect? a. heat produced from a large number of people b. the materials used in building cities re

tain heat c. the large amount of reflected light from glass windows d. all of the above
Physics
2 answers:
vichka [17]3 years ago
6 0
The answer is b hoped that helped
Digiron [165]3 years ago
6 0
<h2>Answer:</h2>

The correct answer is (B)

The materials used in building cities retain heat

<h2>Explanation:</h2>

Heat islands is a phenomenon which states that inside urban areas significantly more heat is absorbed and retained than as compared to surrounding areas. Heat can be produced by burning fossil fuels or any other hydrocarbons. Burning fuel inside houses, vehicles and terrains is the main reason for making the temperature of cities higher as compared to barren lands.

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Which shows the correct order of events after the big bang occurred? strong force separated from the unified force, inflationary
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In a container which can expand or contract (like a balloon, if the temperature of the gas increases, the volume of that gas ___
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4 years ago
object carries a charge of -8.1 µC, while another carries a charge of -2.0 µC. How many electrons must be transferred from the
LenKa [72]

Number of electrons transferred: 1.91\cdot 10^{13}

Explanation:

The charge on the first object is

Q_1 = -8.1\mu C

while the charge on the 2nd object is

Q_2=-2.0 \mu C

When they are in contact, the final charge on each object will be

Q=\frac{Q_1+Q_2}{2}=\frac{-8.1+(-2.0)}{2}=-5.05 \mu C

So, the amount of charge (electrons) transferred from the 1st object to the 2nd object is

\Delta Q = Q_1 - Q = -8.1 -(5.05)=-3.05 \mu C = -3.05\cdot 10^{-6}C

The charge of one electron is

e=-1.6\cdot 10^{-19}C

Therefore, the number of electrons transferred is

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