PHYSICS HIGH SCHOOL

To increase the amount of electricity produced in the U.S., we could place what on top of all Wal-Mart stores?Turbines

Biomass incinerators

Wind farms

Solar panels

Answers

Answer 1
Answer:
That's a great idea !  A wind turbine (windmill) or solar panels
on the roof of every WalMart, but don't stop there.  Let K-Mart,
Target, Sears, Macy's, 7-11, McDonald's, and Subway in on it too. 

In fact, why not place them on the roof of every house and
apartment building too ?

Just one question:  Who's going to pay for them ?
_________________________________________________

The biggest single year-round residential use of energy in the
USA is to heat up and keep a ready supply of hot water.  So the
single biggest residential use of energy could be eliminated with
a simple solar water heater on the roof of every house.  From my
own personal observation, I know that Israel is there now, but here
in the USA, it's apparently not worth the time, effort, or expense ! ? !
Answer 2
Answer: The question will be looking for Solar Panels, as they are flat, non-intrusive, and reasonably low maintenance ie the most sensible choice.

However I mean in theory you could stick windmills on top of big Wal-Mart stores as wind turbines are placed on roofs regularly, so you can tell whoever set you that question that it is vague ;)

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In a generator, mechanical energy is converted into which of the following? A.an electromagnet

B.a moving rod

C.a magnetic field

D.electrical energy

Answers

In an electrical generator, you use steam, water, wind, or
bicycle pedals to turn the shaft, and electricity comes out.

Mechanical energy in  ===>  electrical energy out.

Answer:

eletrical ENERGY

Explanation:

D.

How are electromagnetic waves that are produced by oscillating charges and sound waves that are produced by oscillating tuning forks similar?

Answers

The electromagnetic waves that are produced by oscillating charges and sound waves that can be produced by oscillating tuning forks are similar.

What is an electromagnetic wave?

EM waves are another name for electromagnetic waves. Electromagnetic radiations are made up of electromagnetic waves created when an electric field collides with a magnetic field.

Electromagnetic waves may alternatively be defined as the combination of oscillating electric and magnetic fields. Maxwell's equations are solutions to electromagnetic waves.

Electromagnetic radiations are made up of electromagnetic waves created when an electric field collides with a magnetic field.  Sound is the oscillation of other things, known as a medium, whereas electromagnetic waves are oscillations of electromagnetic energy.

Hence, the electromagnetic waves that are produced by oscillating charges and sound waves that can be produced by oscillating tuning forks are similar.

To learn more about the electromagnetic wave refer to the link;

brainly.com/question/8553652

#SPJ2
they are both created by waves of different forms of energy... sound is the oscillation of other substances, called a medium, while the electromagnetic waves are oscillating through electromagnetic energy. 

2. In a famous letter to Robert Hooke, Isaac Newton wrote, "If I have seen further it is only by standing on the shoulders of giants." Which of the following does this quote best demonstrate? (Points : 1)
the cumulative nature of modern knowledge of physics

how physicists form explanations using logic and evidence

inductive vs. deductive reasoning

how inductive reasoning is important in the study of physics

Answers

In my opinion, the correct answer is the first one, 'the cumulative nature of modern knowledge of physics'. He is trying to say here that it is the overall knowledge of physics and of his predecessors that has helped him become the greatness that he is today. 

_______ is a subtype of the continental climate. A. Humid subtropical
B. Subarctic
C. Semiarid
D. Tropical wet

Answers

The answer is A. Humid Subtropical

An arch carries the thrust of weight to its _____(1)______. With a _____(2)______, the horizontal part of the structure supports all the weight above it.a. (1) center; (2) post-and-bearing
b. (1) base; (2) springing line
c. (1) keystone; (2) groin vault
d. (1) sides; (2) post-and-lintel

Answers

Arch Carries the thrust of Weight - Option D

An arch carries the thrust of weight to its sides. With a post-and-lintel, the horizontal part of the structure supports all the weight above it. The reason is that the post and lintel is a system of construction. In this the powerful parallel components are kept up by powerful upward components that has large cavities between them.

Therefore, an arch carries the thrust of weight to its sides for balancing purposes.

D- i just took the test

What type of machine is a pair of scissors?a. Simple - Lever
b. Simple - Wedge
c. Compound - Lever and Wedge
d. Compound - Inclined plane and lever.

Answers

The type of machine of a pair of scissors is a compound machine classified as lever and wedge. The answer is letter C. The pivot joint is the lever and the wedge are the blades of the scissors. This is to efficiently exert force on an object to cut it.
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