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Energy
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Questions (6,951)
Can someone please help me check the grammar in the following sentences?
1) I would like to inform people about the danger (after
2 answers
asked by
Frank
516 views
Which of the following is used to make biomass fuel?
A. Coal B. Natural gas C. Plants and animal waste D. Petroleum Is the answer
5 answers
asked by
callie
1,724 views
1. Is it true that since energy cannot be created nor destroyed, the total energy of the river system remains constant?
2. What
2 answers
asked by
John
633 views
Energy from the sun reaches Earth mostly by
A. conduction. B. convection. C. radiation. D. thermal expansion. I think it's A.
14 answers
asked by
Danny
7,280 views
Please Check Answers.
4. When a fan is turned on, it changes electrical energy into ______ energy. A. motion * B. magnetic C.
10 answers
asked by
Georgia
2,695 views
Oil is important to Iran’s economy because
_________________. A. Oil purchases are the country's greatest expense. B. Oil sales
10 answers
asked by
(づ。◕‿‿◕。)づ
3,302 views
9. Look at the image above, At which point would the kinotie energy be the greatest (1, 2.3, or 49?
At which point would
1 answer
asked by
star
65 views
6 1/2 joules. particles looses 0.08 joule of energy every 15 seconds what will energy after 4 minutes.
Would this be 6 1/2 - 1.28
1 answer
asked by
Chris
263 views
The need for a State to Organize trade fair on solar energy
2 answers
asked by
humbospen
84 views
1. A 15 kg boy falls out of his bed at a height of 0.50 m. What is the amount of gravitational potential energy lost by the boy?
5 answers
asked by
Liz
4,432 views
I need a sample of a presentation to my Governor, on why I want to organize solar energy trade fair in Delta State
2 answers
asked by
humbospen
65 views
The data for a wind turbine is given below:
Wind speed = 14 m/sec Length of blade = 20 m Rotor efficiency = 50% Gear Box
2 answers
asked anonymously
118 views
In your opinion, what is the best form of energy (nuclear, wind,
fossil fuel, etc.) and why?
2 answers
asked anonymously
121 views
Which type of energy is created by splitting atoms?
A. Geothermal B. Tidal C. Fission D. Fusion
2 answers
asked anonymously
86 views
Why is the kinetic energy of a body falling on the ground equal to it's potential energy at the greatest height
2 answers
asked by
Harrison
147 views
Calculations in kinetic and potential energy
2 answers
asked by
Harrison
110 views
How is electricity generated from a dam
2 answers
asked by
Harrison
109 views
The most volatile fraction obtained from fractional distillation of crude oil contains
5 answers
asked by
Zipporah
140 views
Describe how electricity is produced from a dam, illustrate with a sketch diagram
2 answers
asked by
Kalu prosper
113 views
List the dams for the production of electricity in Nigeria
2 answers
asked by
Kalu prosper
150 views
What is the cost of operating an electric iron wirh power consumption of1.2kw for 30minutes of enertis sold at N7.00per kw
2 answers
asked by
Tobi
70 views
ADVANTAGES AND DISADVANTAGES OF NUCLEAR POWER
2 answers
asked by
ZIZIPO
133 views
1. how does energy joule change as the circuit is left running? a) increases b) stays the same
Explain your answer. 2. how does
2 answers
asked by
....
137 views
Explain how energy is transferred by radiation. State whether particles are required for this method of energy transfer
2 answers
asked by
lllllll
144 views
A spring is compressed 0.03m calculate the energy stored in the spring if the constant is 300N/M
2 answers
asked anonymously
89 views
why should solar panel located in a remote area
2 answers
asked anonymously
85 views
A ball of mass 8kg falls from rest from a height of 100 m. Neglecting air resistance, calculate it's total energy after falling
15 answers
asked by
Ella
97 views
How Does Solar Cooking Work? Describe it's function in at least 3 to four paragraphs.
2 answers
asked by
Interesting...
62 views
Study the scenario.
A box is initially at the top of a slide, storing 80 J of gravitational energy. The isolated system includes
4 answers
asked anonymously
124 views
Study the scenario.
A box is initially at the top of a slide, storing 80 J of gravitational energy. The isolated system includes
4 answers
asked anonymously
209 views
Study the scenario.
A box is initially at the top of a slide, storing 80 J of gravitational energy. The isolated system includes
2 answers
asked anonymously
144 views
If a system stores kinetic energy, which choice must be true?
Responses The molecules, atoms, and/or subatomic particles must be
2 answers
asked anonymously
179 views
Which of the following choices identifies the forms of mechanical energy?
Responses Kinetic and sound energy Kinetic and sound
2 answers
asked anonymously
135 views
Which of the following choices are types of energy?
(Select all that apply) Responses sound energy sound energy cold energy cold
2 answers
asked anonymously
93 views
Which of the following describes what happens when you wind up the spring found in a child’s toy?
Responses Potential energy
2 answers
asked anonymously
95 views
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
85 views
Considered together, kinetic and potential energy on a macroscopic scale are known as __________.
Responses internal energy
2 answers
asked anonymously
105 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
91 views
Which of the following choices are types of energy?
(Select all that apply) Responses physical energy physical energy thermal
2 answers
asked anonymously
83 views
What surface absorb radiant energy best?
2 answers
asked by
Joan
59 views
What are some advantages to the use of hydrokinetic energy? What might be some disadvantages?
2 answers
asked anonymously
56 views
Explain the differences between the use of hydroelectric energy and coal.
2 answers
asked anonymously
57 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
137 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
85 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
77 views
Compare the advantages and disadvantages of using nuclear energy.
2 answers
asked anonymously
82 views
How is the gravitational potential energy store of an object increased?
2 answers
asked by
cccc
111 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
====
101 views
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