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Irina-Kira [14]
4 years ago
12

As a substance condenses, its temperature does not change. How does the potential energy of the molecules of the substance chang

e as a result of the heat release? What type of energy must decrease in order for the temperature to decrease
Physics
1 answer:
Rus_ich [418]4 years ago
8 0

Answer:

Potential energy decreases because temperature is measured by the how fast molecules move. The more kinetic energy in the molecules, the less potential energy

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Using the interactive map, available at ejatlas.org, identify two separate environmental justice issues ongoing anywhere in the
NeTakaya

Answer:

Explanation:

1) The specific issue is the emission of the CO2 gases into the atmosphere and conflicts over coal extraction as leaving the oil in the soil.

2)Land acquisition conflicts and the Agro fuels industries and biomass energy plants are causing more environmental problems.

EJOCT project is meant for considering the causes of climate debt and ecological debt and designed many projects under the clean development mechanism allowing rich countries to offset their emissions by reducing emissions.

Large parts of the global justice movement united around a push for the concept of climate debt in copenhagen climate summit.In the people's summit in Bolivia in 2010, climate debt was considered as the over consumption of the Earth's atmosphere and climate system to absorb green house gases by the developed countries. The map shows the spatial mal distribution of climate change sources and its impacts.

Yes the methods the Summits are taking are correct and can reduce the emission of CO2 gases. The methods they were implementing are supportable to the environment.If the people follow those methods the climate debt can be minimised.I have taken this topic as the emission of CO2 gases is the main problem all the world.Due to this the melting of Ice and Global warming are occuring.This was the main problem to solve all over the world as the no. of Industries and vehicles and population is increasing.These movements are an appropriate way to change and improve the environment in which people have to live.

8 0
3 years ago
A driver in a car speeding to the right at 24m/s suddenly hits the brakes and goes into a skid, finally coming to rest. The coef
irina [24]

Answer:

42 m

Explanation:

v_{o} = initial velocity of the car = 24 m/s

v_{f} = final velocity of the car = 0 m/s

μ = coefficient of kinetic friction = 0.7

g = acceleration due to gravity = 9.8 m/s²

a = acceleration due to kinetic frictional force  = - μg = - (0.7)(9.8) = - 6.86 m/s²

d = distance through which the car skids

Using the kinematics equation

v_{f}^{2} = v_{o}^{2} + 2 a d

Inserting the values

0^{2} = 24^{2} + 2 (- 6.86) d

d = 42 m

8 0
3 years ago
An electron has a velocity of 1.50 km/s (in the positive x direction) and an acceleration of 2.00 ✕ 1012 m/s2 (in the positive z
olga nikolaevna [1]

Answer:

see explanation

Explanation:

Given that,

velocity of 1.50 km/s = 1.50 × 10³m/s

acceleration of 2.00 ✕ 1012 m/s2

electric field has a magnitude of strength of 18.0 N/C

\bar F= q[\bar E + \bar V \times \bar B]\\\\\bar F = [\bar E + \bar V \times ( B_x \hat i +B_y \hat j +B_z \hat z )]\\\\\\m \bar a = [\bar E + \bar V \times ( B_x \hat i +B_y \hat j +B_z \hat z )]

9.1 \times 10^-^3^1 \times 2\times 10^1^2 \hat k=-1.6\times10^-^1^9 \hat k [18\hat k+ 1.5\times 10^3 \hat i \times (B_x \hat i +B_y \hat j +B_z \hat k)]42.2 \times 10^-^1^9 \hat k = -2.4 \times 10^1^6B_y \hat k + 2.4 \times 10 ^1^6 \hat j B_z\\

B_x = undetermined

B_y = \frac{42.2 \times 10^-^1^9}{-2.4 \times 10^-^1^6} \\\\= - 0.0176 T

B_z = 0T

8 0
4 years ago
Sun *
Ludmilka [50]

Answer:

E

Explanation:

6 0
3 years ago
Work out the current through a television with a power of 0.8 kW if it uses the 230 V mains supply. Give your answer to 1 decima
Y_Kistochka [10]

Answer:

the current is 3.5 A

Explanation:

The computation of the current is shown below:

As we know that

Current [A] = Electrical power [W] ÷ Potential difference [V]

Now convert KW TO W = × 1000

So, the current is

= 800W ÷ 230V

= 3.5 A

Hence, the current is 3.5 A

8 0
3 years ago
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