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Energy
Page 8
Questions (6,773)
Study the scenario.
An isolated system includes a girl, a slide, and the Earth. The girl is initially at the top of a slide,
2 answers
asked anonymously
83 views
Considered together, kinetic and potential energy on a macroscopic scale are known as __________.
Responses internal energy
2 answers
asked anonymously
103 views
Which of the following correctly defines mechanical energy?
Responses the difference between kinetic and potential energy of
2 answers
asked anonymously
110 views
Which of the following statements correctly describes mechanical energy?
Responses It is a type of chemical energy. It is a type
2 answers
asked anonymously
90 views
Which of the following choices are types of energy?
(Select all that apply) Responses physical energy physical energy thermal
2 answers
asked anonymously
82 views
What surface absorb radiant energy best?
2 answers
asked by
Joan
57 views
What are some advantages to the use of hydrokinetic energy? What might be some disadvantages?
2 answers
asked anonymously
54 views
Explain the differences between the use of hydroelectric energy and coal.
2 answers
asked anonymously
54 views
The operation of nuclear power plants in the United States is closely monitored and regulated.
Please select the best answer from
2 answers
asked anonymously
135 views
Compare the benefits and disadvantages to the different alternative energy technologies.
2 answers
asked anonymously
108 views
Compare the energy input and output for nuclear fission and nuclear fusion.
2 answers
asked anonymously
81 views
Explain why the process of mining uranium involved in the use of nuclear energy has the greatest environmental impact of the
2 answers
asked anonymously
74 views
Compare the advantages and disadvantages of using nuclear energy.
2 answers
asked anonymously
79 views
How is the gravitational potential energy store of an object increased?
2 answers
asked by
cccc
107 views
How much energy is transferred to an electric kettle that is rated at 3 kilowatts if it is switched on for three minutes?
2 answers
asked by
====
96 views
A TV has a power rating of 10W, and is left on for two minutes. How much energy does it use? (Hint: first, convert minutes into
2 answers
asked by
wooo
105 views
Energy Transformations - start a new Science note in your binder or Google Drive, create a vocabulary list for the 10 types of
10 answers
asked by
tka
73 views
What are the benefits and drawbacks to using solar, geothermal, and wind power as alternative sources of energy?
2 answers
asked anonymously
116 views
How much energy is transferred to an electric kettle that is rated at 3 kilowatts if it is on for three minutes?
2 answers
asked by
meeee
81 views
REal power
2 answers
asked by
Fuad Faji Jemal
101 views
How much energy is produced when 93.5 grams of oxygen react with 13.2 grams of hydrogen in the following reaction:
2H2+o2-->2 h2o
2 answers
asked anonymously
89 views
A common unit of energy in atomit physics is
2 answers
asked by
Hana
65 views
A system with an increase in internal energy of 80 J and at the same time has 50 J of work done on it by the surrounding. What
2 answers
asked by
ezile
63 views
If you hold a coin between your fingers in the air, the gravitational potential energy of that coin is greater if?
2 answers
asked anonymously
78 views
The kinetic energy of a 25-gram bullet traveling at 500 m/s is:
Choose the best answer from the options below: A 6.250 KJ B
2 answers
asked anonymously
103 views
When would a transformation of chemical energy to electrical energy occur?
2 answers
asked by
ray
126 views
An athlete of mass 70.0kg runs a 100m race in 10s, calculate the kinetic energy possessed by the athlete
2 answers
asked by
Nana Adwoa
185 views
Solar cells are used to power a person's house. Which statement about the process is correct?
Energy from the sun might be
2 answers
asked by
ray
100 views
Science
Fossil fuels are formed when organic material is subjected to extreme temperatures and pressure over many years. Where
2 answers
asked by
spongesquare bobpants
77 views
Ocean waves are a source of energy. In 1–2 sentences, make and justify a claim about whether ocean waves are a renewable or
7 answers
asked by
Party Hips
99 views
Questionaires for solar energy television presentation
2 answers
asked by
humbospen
76 views
How can South Africa overcome its energy supply shortcomings
2 answers
asked by
Asimbonge
90 views
yo bot Think of a topic related to energy that you would like to research. In 3–5 sentences, describe how you would use search
10 answers
asked by
liam the connexus student
97 views
Think of a topic related to energy that you would like to research. In 3–5 sentences, describe how you would use search terms
14 answers
asked by
🙌🏼bEcAuSe i sAiD sO🙌🏼
143 views
A person throws a ball up into the air. At which point in its path will the ball have the greatest potential energy?
* 1 point
10 answers
asked anonymously
265 views
Kinetic and Thermal Energy Quick Check
11 answers
asked by
LordUzuiIsHot
237 views
Has gas become a big demand increase?
2 answers
asked by
!Scream Stan!
50 views
In 3–5 sentences, describe how you would use search terms to effectively find information about solar energy advantages.
2 answers
asked by
UnrealOnepiece
86 views
A topic related to energy that you would like to research. In 3–5 sentences, describe how you would use search terms to
2 answers
asked by
UnrealOnepiece
95 views
Which describes a renewable energy resource?
It produces less pollutants than fossil fuels. explain
2 answers
asked by
him
89 views
What is true about kinetic energy?
Molecules within a substance have kinetic energy when that substance moves. Molecules of
2 answers
asked by
no
129 views
Coal is a natural resource.
why is coal considered nonrenewable? A. no new coal is being produced on earth B. coal is being used
4 answers
asked by
Lol
88 views
A bar magnet is held in place while another bar magnet is placed near it. The second bar magnet spins around and attaches to the
7 answers
asked by
Joe
129 views
Choose the best answer.
Electricity that is made by the energy of falling water defines _____. hydroelectricity isolated
2 answers
asked by
fe
80 views
two devices that intercept solar radiation for heating purposes
2 answers
asked by
kiaan
52 views
Choose the best answer.
Solar energy is energy from the _____. sun wood space earth moon
2 answers
asked by
fe
78 views
Choose the best answer.
A machine that has spinning blades and converts some form of fluid energy (air or water) to rotational
2 answers
asked by
fe
89 views
Wind energy is actually _____ energy.
heat electrical kinetic chemical potential
4 answers
asked by
fe
80 views
The inherent danger of nuclear power plants is _____.
1.active coal 2.too little power generated 3.radiation 4.coal pollution
4 answers
asked by
fe
98 views
_____ power plants take advantage of the kinetic energy of falling water.
1.Many 2.All local 3,Hygronomic 4,Hydroelectric
2 answers
asked by
fe
82 views
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