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Energy
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Questions (7,076)
what number of joules needed to turn 325g of water at 100 degree c to steam at 100 degree c
5 answers
asked by
alli
1,712 views
Aforce Of 4oN Is Used To Stretch Aspring Which Has Aspring Constant 350 N/m.How Much Energy Is Stored In The Spring?
7 answers
asked by
Exasu Amanuel
679 views
A 20. kg block is placed at the top of a 10. meter-long inclined plane. The block starts from rest and slides without friction
4 answers
asked by
Sejul
2,330 views
A car of mass 800kg is climbing an incline at 10 degrees to the horizontal. Determine the increase in potential energy of the
5 answers
asked by
Kyle
1,542 views
Which suggests the most critical aspect of the peak oil theory?
a)Controversy rages over rumors that the fracking lobby in
9 answers
asked by
:)
2,406 views
Chemical energy can be used to produce kinetic energy. Which activity is an example of using chemical energy to produce kinetic
4 answers
asked by
Taygen
726 views
A water pump produces 9kl of water per hour at height of 70m above the pump. The pump is driven by 3kW electric motor calculate
1
4 answers
asked by
Jady
1,106 views
If 18oo cal:of heat is added to a system while system does work equivalent to 2800 cal:by expanding against its surroundings.
4 answers
asked by
ABC
876 views
How much energy is released to the environment by 50.0 grams of condensing water vapor? Hv = 40.7 kJ/mol
4 answers
asked by
Diego
428 views
A jogger's internal energy changes because he performs 6.80 105 J of work and gives off 4.9 105 J of heat. However, to cause the
3 answers
asked by
Johnson
1,501 views
(Please check my essay for me) thank you very much.
Subject: Oil and Gas Prices Introduction: The economy is influenced by many
3 answers
asked by
rose
526 views
Briefly describe the relative quantities of kinetic, gravitational potential and mechanical energy as a stone is thrown in the
4 answers
asked by
John
1,350 views
How does a flashlight illustrate the Law of Conservation of Energy? (1 point)
Responses Potential energy in the battery will be
1 answer
asked by
the real BARNY THE DINO :)
468 views
The kinetic energy of a 50 newton object resting on the edge of a cliff 30 meters high is?
3 answers
asked by
erik
983 views
Teresa wants to explore the relationship between kinetic energy and potential energy. How could she use innovative
2 answers
asked by
h
115 views
how much energy does a cactus get from the sun in percentage
1 answer
asked by
(┬┬﹏┬┬) UwU
166 views
One positive aspect of the potential use of methane hydrate as a fuel is that
A.it exists in a pure form ready for use B.there is
3 answers
asked by
Destiny
1,027 views
A person is drinking a glass of soda with ice. Which option describes the relative kinetic energy of molecules in and above the
4 answers
asked anonymously
281 views
Kinetic and Thermal Energy Quick Check
2 of 52 of 5 Items Question A fisherman in a boat is drinking a cup of hot coffee. The
1 answer
asked anonymously
47 views
Which 2 countries depend most on hydroelectric power
1 answer
asked anonymously
33 views
A forklift uses 5200 J of energy to lift a 50.0 kg mass to a height of 4.0 m at a constant speed. What is the efficiency of the
1 answer
asked anonymously
24 views
Which best describes the heat that arrives at Earth from the sun? (1 point)
A It arnves in the form of magnetism B It arrives in
1 answer
asked anonymously
40 views
Which statement correctly describes the energies involved as a child on a swing approaches the bottom of the swing arc? Assume
1 answer
asked anonymously
33 views
Two bar magnets are held in place with their north poles facing each other. Both magnets are released at the same time. Which
1 answer
asked anonymously
48 views
Which search term would be the most effective if you were researching whether solar panels are feasible for residential use?(1
3 answers
asked by
lover
224 views
Which search term would be the most effective if you were researching whether solar panels are feasible for residential use?(1
11 answers
asked by
those were all wrong
339 views
As an object falls, how are kinetic and potential energy related?
Potential energy will decrease in an amount equal to the
1 answer
asked by
AR
34 views
Which energy transformation happens when a toaster is plugged in to an outlet in the wall and used to make toast? (1 point)
Elect
1 answer
asked anonymously
44 views
An acorn rolls off a roof and falls to the ground. Which statement best describes the change in energy?(1 point)
Responses The
1 answer
asked by
Somethingishere
54 views
How can a stationary metal sphere have kinetic energy, the energy of motion?(1 point)
Responses The metal is made of atoms, which
1 answer
asked by
aaagtuygy
54 views
An acorn rolls off a roof and falls to the ground. Which statement best describes the change in energy?(1 point)
Responses The
1 answer
asked by
u don't know me
25 views
Which energy transformation occurs when you rub your hands together to warm them?(1 point)
Responses kinetic energy to thermal
1 answer
asked by
Uncle moe last name lester
37 views
What is the relationship between a substance’s thermal energy and its kinetic energy?(1 point) Responses As the substance’s
1 answer
asked anonymously
22 views
5) During the "Drill" step of fracking, the surface impact is:%0D%0A%0D%0A(1
1 answer
asked anonymously
15 views
Which energy transformation happens when a toaster is plugged in to an outlet in the wall and used to make toast? Electrical
1 answer
asked anonymously
30 views
A 1000 kg car is sitting still at the top of a 100 m hill. The potential energy of the car is _____.
a 98,000 Nm b 420,500 J c
1 answer
asked by
e
30 views
Drag the environmental impact to indicate whether it is a result of acquiring coal, acquiring natural gas, or both.
2 answers
asked anonymously
145 views
A solar energy project is expected to have capital costs of $995,000, average yearly operating costs of $175,000, and a lifetime
1 answer
asked anonymously
73 views
Which of the following is a characteristic of levelized cost of energy (LCOE)?(1 point)
Responses It is the minimum amount of
1 answer
asked anonymously
75 views
A solar energy project is expected to have capital costs of $785,000, average yearly operating costs of $123,000, and a lifetime
3 answers
asked anonymously
56 views
Why is solar energy a viable alternative energy resource?(1 point) Responses It has an endless supply. It has an endless supply.
1 answer
asked anonymously
19 views
Which of the following is a characteristic of levelized cost of energy (LCOE)?(1 point) Responses It is the maximum price per
1 answer
asked anonymously
41 views
Which fossil fuel is considered the most abundant in the United States a petroleum B natural gas C coal D Oil
1 answer
asked anonymously
27 views
What is a major drawback of nuclear energy
1 answer
asked anonymously
53 views
Define nuclear fission.(1 point)
Responses Nuclear fission is a renewable energy resource that is used to create electricity.
1 answer
asked by
My
20 views
Which of the following would be a benefit of solar energy?(1 point) Responses Solar energy costs more to set up in a home than
1 answer
asked by
Cupcake
41 views
Which fossil fuel is considered the most abundant in the United States?(1 point) Responses petroleum petroleum coal coal oil oil
3 answers
asked anonymously
24 views
What's the best question to ask to quickly find out if an energy source can be used again and again?(1 point)
Responses How much
1 answer
asked by
uh that it girl
39 views
Which statement describes the relationship between humans and renewable and nonrenewable energy resources?(1 point)
Responses
1 answer
asked anonymously
34 views
Which has been the primary source of energy in the most recent country
1 answer
asked anonymously
14 views
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