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3 years ago

What is one of the drawbacks to the use of solar energy for generating electricity?

1 answer:

7 0

Solar energy is one of the renewable energy sources that is invested around the world because of its large potential. the sun as a free source can sometimes bring a drawback. one of the drawbacks is that it cannot be harnessed when storms or rains are present in the weather. it is also expensive and young.

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The tallest television transmitting tower in the world is in North Dakota. From a point on level ground 5280 feet (one mile) fr

Nata [24]

Answer:

2005 feet

Explanation:

The height of the tower is represented by X in the attached image.

In order to determine X:

Tan $20.8^o$ = opposite/adjacent = X/5280

Therefore,

X = 5280 x Tan $20.8^o$

Tan $20.8^o$ = 0.3798

Hence,

X = 5280 x 0.3798

= 2005.344

The height of the tower to the nearest foot is 2005 ft.

6 0

4 years ago

Current I flows along the positive z-direction in the inner conductor of a long coaxial cable and returns through the outer cond

PtichkaEL [24]

Answer:

A) determine magnetic fields

For 0 ≤ r ≤ a

Magnetic field = ∅ $\frac{rI}{2\pi a^2}$

For a ≤ r ≤ b

Magnetic field = ∅ $\frac{I}{2\pi r}$

For b ≤ r ≤ c

Magnetic field in the region = ∅ $\frac{I}{2\pi r} [ c^2 - r^2 / c^2-b^2 ]$

For r ≥ c

magnetic filed in the region = 0

B ) attached below

Explanation:

<u>A) Determine the magnetic field in the following regions</u>

i) For 0 ≤ r ≤ a

Magnetic field = ∅ $\frac{rI}{2\pi a^2}$

attached below is the detailed solution

ii) For a ≤ r ≤ b

Magnetic field = ∅ $\frac{I}{2\pi r}$

attached below is the detailed solution

iii) For b ≤ r ≤ c

Magnetic field in the region = ∅ $\frac{I}{2\pi r} [ c^2 - r^2 / c^2-b^2 ]$

attached below is the detailed solution

iv) For r ≥ c

magnetic filed in the region = 0 and this is because the net current enclosed in the region = 0

5 0

3 years ago

________ fuel is a renewable alternative to petroleum fuels that is made through either biologically or chemically driven produc

meriva

Gasoline fuel is a renewable alternative to petroleum fuels that is made through either biologically or chemically driven production in a process called gasification.

3 0

3 years ago

Read 2 more answers

Scientists measure the ________ of isotopes in rocks to determine an approximate age.

Vlada [557]

I believe the answer is "radioactive decay".

4 0

3 years ago

Read 2 more answers

An object is dropped from rest from a height 5.6 × 106 m above the surface of the earth. If there is no air resistance, what is

marshall27 [118]

Answer: