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Mumz [18]
3 years ago
8

State two environmental problems caused by coal fired power stations

Physics
1 answer:
Julli [10]3 years ago
6 0

Answer:

Air pollution and water pollution.

Explanation:

The burning of coal causes air pollution, and coal fired power stations dump waste in large bodies of water.

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Derive the formula v= u+ at<br>please derive in detail ​
gogolik [260]

Lets do

We know

The rate of change of velocity is acceleration .

\\ \sf\longmapsto a=\dfrac{dv}{dt}

\\ \sf\longmapsto dv=adt

Integrate both sides

\\ \sf\longmapsto \int dv=a\int dt

As acceleration is constant .Take it outside of integral .On velocity we can take limit u to v and time from 0 to t

\\ \sf\longmapsto {\displaystyle{\int}}^v_u dv=a{\displaystyle{\int}}^t_0 dt

Hence

\\ \sf\longmapsto v{\huge{|}}^v_u=at

\\ \sf\longmapsto v-u=at

\\ \sf\longmapsto v=u+at

4 0
3 years ago
Read 2 more answers
In which of these samples do the molecules mist likely have the least kinetic energy
KiRa [710]
Provide the examples again, no samples are presents.
8 0
3 years ago
When a circuit is arranged in parallel
attashe74 [19]

Answer:

A. There are multiple paths that electrons can take through the circuit, and it is possible for the electron to pass through one circuit component but not another.

Explanation:

Parallel arrangement of components in an electric circuit puts different parts of the circuit on different branches. In a parallel connection, there are multiple paths for the electrons to take, and it is possible for electrons to pass through on circuit component without going through another. This is the reason why If there is a break in one branch of the circuit, electrons can still flow in other branches, and the same reason why one bulb going off in your home does prevent the other components in your home from coming on (your home is wired in a parallel electric circuit).

5 0
3 years ago
It is desired that 7.7 mc of charge be stored on each plate of a 5.3 mf capacitor. what potential difference is required between
antoniya [11.8K]
In physics, the elements in a circuit could involve a resistor-capacitor, resistor-inductor, or just solely their own type of circuit. For a resistor-capacitor or RC circuit, the potential difference or voltage induced between the parallel plates of a capacitor is related by this equation:

Q = C × V, where

Q is charge in Coulombs
C is the capacitance in Faradays
V is the voltage in volts

Substituting the values, 

7.7×10⁻³ C = 5.3×10⁻³ F * V
V = 1.45 volts
8 0
3 years ago
If a bicycle travels 30 km in two hours and 30 minutes her average speed is?
Juli2301 [7.4K]

Answer:

Explanation:

30 km/h b. 60 km/h c. 15 km/h d. 2 km/h. The answer is 15km/h. The rate will be the same. 30km / 2hr = _km / hr. By the law of equivalent fractions ...

4 0
3 years ago
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