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Inessa [10]
2 years ago
15

37. Currently, rooftop solar panels produce only a fraction of the electricity used in the buildings on which they are installed

. Which of the following strategies would best combat the problem of insufficient electricity generation from the rooftop solar panels?
(A) Installing passive solar energy systems on all available, unshaded rooftop space and positioning them to face south
(B) Installing active solar energy systems on all available, shaded rooftop space and positioning them to face northeast
(C) Installing passive solar energy systems on all available, shaded rooftop space and positioning them to face northeast
(D) Installing active solar energy systems on all available, unshaded rooftop space and positioning them to face south
Advanced Placement (AP)
1 answer:
rewona [7]2 years ago
7 0

Installing active solar energy systems on all available, unshaded rooftop

space and positioning them to face south.

<h3>What is a Solar system?</h3>

A solar system usually comprises of panels which help to collect solar

energy from the Sun and convert them to other forms of energy such as:

  • Heat energy.
  • Electrical energy.

The Passive system optimizes the use of heat or light directly from the sun

while the active systems converts the sun's energy into a more usable form

such as electricity. It is also best to position the panels to face south  

because the Sun is found at this region thereby encouraging maximum

trapping of solar energy.

Read more about Solar system here brainly.com/question/19483420

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Use the passage below to answer all parts of the question that follows.
andrezito [222]

Answer:

1. The main argument made about Indian Ocean ports is that they serve people from different parts of the world.

2. Their accommodation of different religions

3. Diffusion of religion is one similarity between the regions described in the passage and the Silk Roads.

Explanation:

From the passage, the narrator goes on to show that the Indian ports of Hormuz and Calicut served people from different Asian and Arabic countries around the globe. When he arrived at Calicut, he noted the cohabitation of Muslims and Hindus. Their tolerance of each other must have facilitated trade.

Just like the Silk Roads which served merchants from different parts of the world, thus leading to a diffusion of many aspects of culture, the Indian ports also provided the same advantage.

6 0
2 years ago
A ball is thrown into the air at a velocity of 44 feet per second. Its height in feet, h after t seconds is represented by the e
Lady_Fox [76]

Answer:

0.447 sec

Explanation:

velocity = distance/ time

distance 'h' is a function of time 't' given by

h = 12t^{2} + 44t + 16

⇒ differentiating equation

⇒ velocity = \frac{dh}{dt} = 24t + 44

⇒ acceleration = \frac{d^{2}h }{dt^{2} } = 24 \frac{ft}{sec^{2} }

deceleration due to gravity = -9.8 m/sec^{2} =  - 9.8 x 3.281 = - 32.154 ft/ sec^{2}

Net deceleration = 24 - 32.154 = - 8.15 ft/ sec^{2}

at maximum height v = 0

v^{2} = u^{2} + 2ah

⇒  0 = 44^{2} + 2 (-8.15)h

⇒ h = 118.72 ft⇒

118.72 = 12t^{2} + 44t + 16

⇒ 12t^{2} +44t - 102.72 = 0

⇒  t = -44 ± \sqrt{44^{2} - 4(12)(102.72) }     / (2 x 12)

t = 0.447 sec

6 0
3 years ago
Which of the following graphs below represents the motion of an object at variable speeds?
Tomtit [17]

Answer:

The correct answer is B)

A curved line graph originating from point on the Y axis is shown with distance in miles on Y axis and time in hours on X axis evidences a changes in the speed of an object.

A straight line on the other hand typifies constant velocity.

Cheers!

4 0
2 years ago
Who was the former PM of the UK?why did they resign?
RSB [31]
Winston Churchill, Prime Minister of the United Kingdom (5 April), resigned due to poor health but remained in the House of Commons.
8 0
2 years ago
The United States, Canada, and European countries all have comparable policies that distinguish between refugees and economic mi
Kazeer [188]

Answer:

It is important because it's the difference between giving and recieving.

Explanation:

The definition of refugees is "people fleeing conflict or persecution". The definition of economic migrants is "movement of people from one country to another to benefit from greater economic opportunities in the receiving country". The United States, Canada, and European countries turn refugees away because they are fleeing conflict, could potentially bring that conflict or cause conflict to the new place, and don't give back in a major way once they are granted permission to stay. Whereas, economic migrants are, mostly, not fleeing conflict so the place wouldn't have to fear foreign affairs and consequences, as well as the fact that the migrants will, in some way, give back to them in a way that benefits the place in multiple ways or a major way (such as giving back in the form of exceptional work or labor). This is why they have policies that distinguish between refugees and economic migrants - they want to invite in the people that will benefit them whilst keeping those who won't benefit them out.

4 0
2 years ago
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