energy

13,899 results

science

how should each form of energy be identified? A) energy A:gravitational energy /energy B:chemical energy B) energy A: nuclear energy/ energy B: electrical energy C) energy A: electromagnetic energy energy B:sound energy D) energy A: mechanical energy /energy B: thermal energy

Science

Which 6 are energy from sunlight?? nuclear energy,geothermal energy,tidal energy,fusion energy,wind,hydroelectric energy,solar energy,biomass,fossil fuels,ocean thermal,energy conversion

SCIENCE PLZZ HELP

Which 6 are energy from sunlight?? nuclear energy,geothermal energy,tidal energy,fusion energy,wind,hydroelectric energy,solar energy,biomass,fossil fuels,ocean thermal,energy conversion

Science

A student is trying to identify the different forms of energy described in the following chart: Form of Energy Description Examples Energy A energy that travels in waves through space light radio waves Energy B energy that depends on the height of an object a person at the top...

Science

During the process of photosynthesis, solar energy is converted into: a. chemical energy. b. heat energy. c. thermal energy. d. mechanical energy. e. nuclear energy. a

SCIENCE

When you turn on a television, you transform electrical energy into what types of energy? 1) heat energy 2) light energy 3) elastic potential energy 4) sound energy I THINK #1 ,#2 #4 Thanks for your help.

Science (energy)

1. What similarities do nuclear energy and chemical energy share? Choose all that apply. A. Both are types of kinetic energy. B. Both are types of potential energy. [CORRECT!] C. Both involve magnetic energy. D. Both involve stored energy. [CORRECT!] 2. A student is trying to ...

Science

Molecules that make up matter move constantly.Which of these forms of energy refers to the energy of the moving molecules and why? A.Chemical Energy B.Thermal Energy C.Electrical Energy D.Light Energy Which device can change electrical energy to light and sound energy? A....

science-physics

Q1)which of these energy resources does not originate from the suns energy?:natural gas,oil,geothermal energy,coal Q2)the burning of fossil fuels does not release? potential energy,light energy,sound energy , heat energy?? Q3)at the moment renewable energy sources generate? ...

Chemistry

What is Gibbs free energy? A. The energy lost as heat to the surrounding molecules B. The usable energy released or absorbed by a reaction C. The energy in the form of kinetic energy in a system D. The energy contained within the bonds of molecules

Chemistry

What is Gibbs free energy? A. The energy lost as heat to the surrounding molecules B. The usable energy released or absorbed by a reaction C. The energy in the form of kinetic energy in a system D. The energy contained within the bonds of molecules

Chem please help

What is Gibbs free energy? A. The energy lost as heat to the surrounding molecules B. The usable energy released or absorbed by a reaction C. The energy in the form of kinetic energy in a system D. The energy contained within the bonds of molecules

Chem please help

What is Gibbs free energy? A. The energy lost as heat to the surrounding molecules B. The usable energy released or absorbed by a reaction C. The energy in the form of kinetic energy in a system D. The energy contained within the bonds of molecules

science

a fan uses 150j of mechanical energy, 20j of heat and 75j of sound energy a) what is the total input energy b) what is the total useful output energy c)what is the total wasted energy d) what is the energy efficiency e) what percent of the energy was wasted

Social Impact of Technology

Which of these kinds of energy is a fundamental requisite for life on Earth? A. Electrical energy B. Solar energy C. Chemical energy D. Potential energy An -- C

chem please help drbob222

What is Gibbs free energy? A. The energy lost as heat to the surrounding molecules B. The usable energy released or absorbed by a reaction C. The energy in the form of kinetic energy in a system D. The energy contained within the bonds of molecules

physics

Friction converts kinetic energy to a. mechanical energy b. potential energy c. nonmechanical energy d. total energy i don't think its B,..

science

when you turn a television on, you transfer electrical energy into __. choose all that apply. a heat energy b light energy c elastic potential energy d sound energy

Physics

in a compressed spring, energy is in the form of (a) kinetic energy (b) potential energy (c) chemical energy (d) sound energy

Science

Which one of these is a form of stored energy? A. Heat energy B. Light energy C. Electrical energy D. Chemical Energy D?

science

Which of the following is not an example of potential energy? Chemical energy gravitational energy mechanical energy*** nuclear energy

chem please help

What is Gibbs free energy? A. The energy lost as heat to the surrounding molecules B. The usable energy released or absorbed by a reaction C. The energy in the form of kinetic energy in a system D. The energy contained within the bonds of molecules Do not give me a website to ...

Science

Which of these energy changes takes place in a solar cell? A.Heat energy to light energy B.Light energy to electrical energy C.Electrical energy to heat energy D.Thermal energy to electrical energy C?

science

1.what similarities do nuclear energy and chemical energy share?pick all that apply A.both are types of kinetic energy. B.both are types of potential energy C.both involve magnetic energy D.both involve stored energy (I PICK B AND D) 3.the energy an object has due to its ...

science(answer please)

please answer these 1.what similarities do nuclear energy and chemical energy share?pick all that apply A.both are types of kinetic energy. B.both are types of potential energy C.both involve magnetic energy D.both involve stored energy 3.the energy an object has due to its ...

science 8th grade

1. The thermal energy of an object is _____. (1 point) its potential energy its average kinetic energy its potential energy minus its kinetic energy its kinetic energy plus its potential energy Thanks, jessica :)

Physics

please check: Which of the following energy forms is associated with an object in motion? a. potential energy b. elastic potential energy c. nonmechanical energy d. kinetic energy i think its B Which of the following energy forms is associated with an object due to its ...

Science

When energy changes forms, the total amount of energy is conserved. However, the amount of useful energy is almost always less than the total amount of energy. Explain the energy conversions and unwanted energy that might be produced by the hinges of a squeaky door.

ap chemistry

a battery operated tool, such as a cordless drill, converts... a.) electrostatic energy to chemical potential energy b.) mechanical energy to thermal energy c.) thermal energy to mechanical energy d.) thermal energy to chemical potential energy e.) chemical potential energy to...

Physics

Which of the following is not an example of potential energy? a.)The energy stored in a pile driver b.)The energy stored in a stretched spring c.)The energy of a body moving across a horizontal surface d.)The energy in the water at the top of a waterfall

Env Science

Distinguish between high-quality energy and low-quality energy, and give an example of each. Relate these terms to energy efficiency High-quality energy is energy that can be converted to work, with a high conversion efficiency. Two examples are electrical energy and ...

Chem

Consider a system of three molecules A, B, and C. Suppose that three units of energy can be distributed over the three atoms. Each atom can have no energy, one unit of energy, two units of energy, or all three units of energy. Assume that each of the ten possible arrangements ...

CHEMISTRY

Consider a system of three molecules A, B, and C. Suppose that three units of energy can be distributed over the three atoms. Each atom can have no energy, one unit of energy, two units of energy, or all three units of energy. Assume that each of the ten possible arrangements ...

chem helpp!

Consider a system of three molecules A, B, and C. Suppose that three units of energy can be distributed over the three atoms. Each atom can have no energy, one unit of energy, two units of energy, or all three units of energy. Assume that each of the ten possible arrangements ...

Biology

bond that holds atoms together in a molecule are... A.radiation energy B. kinetic energy C. thermal energy D. potential energy

science

The bonds that holds atoms together in a molecule are a form of a. potential energy b. ionization energy c. kinetic energy d. thermal energy A?

Science

Bond that holds atoms together in a molecule are? A. radiation energy B. kinetic energy C. thermal energy D. potential energy I think B

Science

where does this energy conversion occur? gravitional energy to kietic energy to electrical currernt. what i don't understand is what is gravitational energy?

Science 6

When you turn on a battery powered flashlight, you transform... A:heat energy into light and chemical energy. B:chemical energy into electrical energy and light. C:heat energy into chemical energy and light. D:eletrical energy and light energy into chemical energy. I think B ...

Integrated Physics and Chemistry

If the kinetic energy of a sample increases, the ____ will also increase. A)potential energy B)temperature C)chemical energy D)nuclear energy

Science

Use the terms solar, kinetic, electrical and potential energy gravitational energy to explain energy transformations used for renewable energy systems

Science

Batteries change ____ energy into _____ energy Chemical and electric Converting the suns energy into electricity does not work if it is ____ time or there is ___ weather night and bad? The suns energy can be turned into electrical energy or ___ energy solar? A toaster ...

History

4.)Which type of energy in the bungee cord prevents the bungee jumper from hitting the ground after a jump? A.)Kinetic energy B.)Elastic potential energy C.)Magnetic potential energy D.)Thermal energy

physics-energy conservation

when you apply the brakes of a car its kinetic energy or energy of motion decreases. a)to what form of energy is the kinetic energy converted? b)where does the resulting energy end up? Do the brake drums on the wheels heat up? so does it convert into heat energy?and the ...

Science

A generator transforms A. Potential energy into kinetic energy B. mechanical energy into electrical energy***** C. Magnetic energy into electrical energy D. Friction into electrical energy Electrical charges that are different A. Attracts each other**** B. repel each other C. ...

Science

Bobbie is playing with his radio-controlled car by using a handheld remote box. What type of energy is being used to power Bobbie's car? a)chemical energy b)electrical energy c)heat energy d)mechanical energy THANKS!!!!!

Science

Bobbie is playing with his radio-controlled car by using a handheld remote box. What type of energy is being used to power Bobbie's car? a)chemical energy b)electrical energy c)heat energy d)mechanical energy THANKS!!!!!

Physics

what forms of energy are involved in the following situations? (choices: kinetic energy, potential energy - gravitational potential energy, elastic potential energy) a. a bicycle coasting along a level road b. heating water c. throwing a football d. winding the mainspring of a...

science

what similarities do nuclear energy and chemical energy share? select all that apply. A) both are types of kinetic energy B) both are types of potential energy C) both involve magnetic energy D) both involve stored energy please help! anybody just anybody!

Science 8R - help (please read!!!)

Homework - Pick 4 out of the 6 forms (types) of energy and gives an example of each from your house. Types/Forms of Energy 1. Mechanical Energy 2. Electrical Energy 3. Electromagnetic Energy 4. Heat Energy 5. Chemical Energy 6. Nuclear Energy I'm picking heat and mechanical, ...

science(check answers)

2.how would the kinetic energy of a 12,000-kg train compare with the kinectic energy of a 900-kg compact car if both were traveling at the same speed? A.the trains kinectic energy would be equal to the cars kinectic energy. B.the trains kinectic energy would be greater than ...

science(check answers)

can someone check my answer thanks ! 2.The ability to do work or cause change is called A.velocity. B.energy.(I PICK B.) C.transfer. D.friction. 3.Which type of energy is demonstrated by a person jogging? A.electrical energy B.nuclear energy C.electromagnetic energy D.kinetic ...

Science

During the process of photosynthesis, plants convert carbon dioxide and water into glucose. Covalent bonds hold the glucose molecules together. The breaking of the covalent bonds during digestion releases energy. the type of energy released is A.nuclear energy B.kinetic energy...

science

A ball sitting on the top of a table has potential energy but no kinetic energy. How do potential and kinetic energy change as the ball falls off the table to the floor? A. Its potential energy increases, and its kinetic energy decreases. B. Its potential energy decreases, and...

science

A ball sitting on the top of a table has potential energy but no kinetic energy. How do potential and kinetic energy change as the ball falls off the table to the floor? A. Both its potential energy and its kinetic energy decrease. B. Both its potential energy and its kinetic ...

science

Suppose you put your lunch up on a shelf. Name two kinds of energy it has, and explain why. I think it would have potential energy because it has stored energy being off the ground, but what other energy?

Chemistry

Consider a system of three molecules A, B, and C. Suppose that three units of energy can be distributed over the three atoms. Each atom can have no energy, one unit of energy, two units of energy, or all three units of energy. Assume that each of the ten possible arrangements ...

IPC (different one)

Select all that apply. A 0.200-kilogram ball sits on a shelf 2.00 meters from the floor and then falls to a point 1.00 meter from the floor. Ignoring any affects due to friction, at this position _____. 1) its mechanical energy is 3.92 J 2) its potential energy is 3.92 J 3) ...

science Please Help

During the process of photosynthesis, plants convert carbon dioxide and water into glucose. Covalent bonds hold the glucose molecules together. The breaking of the covalent bonds during digestion releases energy. the type of energy released is A.nuclear energy B.kinetic energy...

Earth Science

1. Is it true that since energy cannot be created nor destroyed, the total energy of the river system remains constant? 2. What is the source of energy that powers the water cycle? a. sunlight insolation b. kinetic energy c. radioactive decay d. gravitational potential energy ...

science(physics)

A 2kg stone is droped from the top of a 20m building a)what potential energy does it posses b)At what height does its potential energy become equal to its kinetic energy? c)what is its kinetic energy just before it hits the ground? d)With what velocity does it reach the ground...

Science

Wil kinetic energy increase or decrease based on the amount of potential energy it starts with?? If potential energy is lost, KEnergy increases. Potential Energy + kinetic energy= constant.

Physics

A system gains 473J of kinetic energy while losing 271J of potential energy. The thermal energy increases by 127J . Use an energy bar chart of this process to find the external work Wext.

Physics

A system gains 473J of kinetic energy while losing 271J of potential energy. The thermal energy increases by 127J . Use an energy bar chart of this process to find the external work Wext.

Science

Which of these is not associated with camp ton effect? (a)when energy exceeds 1.02MeV. (b)energy of gamma-ray become less. (c)operative within the range of 0.6Mev and 4MeV of energy. (d)it doesn't result in low energy secondary radiation.

Science

What type of energy from the Sun do plants use to make their own food? A.Chemical Energy B.Sound Energy C.Light Energy D.Heat Energy C? An MP3 player uses the chemical energy in a battery to produce electricity energy. The electrical energy makes the player work.When turned on...

sci i think its b

A student is trying to identify the different forms of energy described in the following chart: Form of Energy Description Examples Energy A energy that travels in waves through space light radio waves Energy B energy that depends on the height of an object a person at the top...

physics

A)When the energy input to gas fired power station is 1000MJ,the electrical energy output is 300MJ.What is the efficiency of the power station in changing the energy in gas into electrical energy b)what form does the 700MJ of lost energy take c)what is the fate of the lost energy

Help -Social Impact of Technology

Respecting energy, in Leslie White’s formula, E=P*T, “T” stands for: A. the measure of energy efficiency. B. the sum of energy produced. C. energy production per capita. D. a measure of energy dissipation per capita. An:D

Chemistry

Can someone explain in easier terms the spontaneous process, entropy, and free energy. The textbook is hard to understand. Just a simple explanation. Thanks. Appreciate it! Free energy is the amount of energy that can be released in a chemical reaction. If free energy is ...

Science

A spherical rock rests at the top of a steep hill. the rock has A)Potential Energy B) Chemical energy C)Kinetic energy or D) no energy i think it's A or B but I'm not sure. thanks

Science please

Kinetic energy and Potential energy are often considered to be forms of mechanical energy. List three other forms of energy and state a source for each.

physics

a 55 kg satellite is in circular orbit earth with an orbital radius of 7.4 x 10^6 m . determine the satellite’s a)kinetic energy b)gravitational potential energy c)total energy d)binding energy

Conservation of energy

Can someone explain to me what happens when you take a slap shot in hockey according to conservation of energy? I think that when you wind up you have potential energy, then when you swing the stick towards the puck you have kinetic energy, then when the stick flexes you have ...

?

list at least 10 things that have energy and label what type of energy it is. EX:car diving by =kinetic energy;car parked=potential energy

Science

2.)A car driver accelerates to a speed of 35 mph and then takes her foot of the gas pedal.Even though she does not press the brake pedal at any time,she eventually rolls to a stop.which of the following most likely causes the car to come to a stop? A.kinetic energy is ...

Probability

Consider a system of three molecules A, B, and C. Suppose that three units of energy can be distributed over the three atoms. Each atom can have no energy, one unit of energy, two units of energy, or all three units of energy. Assume that each of the ten possible arrangements ...

Science

1. Massive amounts of destructive energy are released when a nuclear fission bomb explodes. Where does that energy come from? a) A chain reaction occurs when uranium atoms split, releasing nuclear energy. b) Molecules break down, releasing chemical energy. c) Hydrogen atoms ...

English

Please help write a reaction on this Article, I want to give good presentation. How can I make it interesting? Thank you! So, far I think the Author is Energy literate and motivates readers through his words. Please tell me how I can include "Energy conversion, Energy ...

Social Impact of Technology

In general, the efficiency of an internal combustion engine is 30 percent. The remaining 70 percent is mainly dissipated as: A. heat energy. B. mechanical energy. C. chemical energy. D. kinetic energy. An-B

science

please help me im stuck on this last one !! .A car driver accelerates to a speed of 35 mph and then takes her foot of the gas pedal.Even though she does not press the brake pedal at any time,she eventually rolls to a stop.which of the following most likely causes the car to ...

Science

The Lactic Acid System a. supplies energy needed to walk or cycle continuously b. provides energy to pitch a baseball c. creates energy needed to pass another 5k participant with a burst on energy. d. none of these

Physics kinetic energy

Okay the equation for kinetic energy is = 1/2mv^2 so how would i figure this out?? If a semi-truck decreases its speed from 10 m/s to 5 m/s, its new Kinetic Energy is: a)4 times its old Kinetic Energy b)2 times its old Kinetic Energy c)1/2 its old Kinetic Energy d)1/4 its old ...

Science 6

during the process of photosynthesis, plants convert carbon dioxide and water into glucose. Covalent bonds hold the glucose molecules together. the energy stored in these covalent bonds is called? A:nuclear energy. B:thermal energy. C:electrical energy. D:chemical energy. I ...

chemistry

calculate the lattice energy of sodium oxide (Na2O) from the following data: Ionization energy of Na(g): 495 kJ/mol Electron affinity of O2 for 2e: 603 kJ/mol Energy to vaporize Na(s): 109 kJ/mol O2(g) bond energy: 499 kJ/mol Energy change for the reaction 2Na(s)+ 1/2 O2(g)--&...

physics

A 2.48-kg rock is released from rest at a height of 28.1 m. Ignore air resistance and determine (a) the kinetic energy at 28.1 m, (b) the gravitational potential energy at 28.1 m, (c) the total mechanical energy at 28.1 m, (d) the kinetic energy at 0 m, (e) the gravitational ...

physics

A 2.48-kg rock is released from rest at a height of 28.1 m. Ignore air resistance and determine (a) the kinetic energy at 28.1 m, (b) the gravitational potential energy at 28.1 m, (c) the total mechanical energy at 28.1 m, (d) the kinetic energy at 0 m, (e) the gravitational ...

physics

A 3.56-kg rock is released from rest at a height of 15.2 m. Ignore air resistance and determine (a) the kinetic energy at 15.2 m, (b) the gravitational potential energy at 15.2 m, (c) the total mechanical energy at 15.2 m, (d) the kinetic energy at 0 m, (e) the gravitational ...

physics

Which of the following is true about frictional forces? 1) They are stored as frictional potential energy. 2) They can decrease kinetic energy. 3) They produce heat potential energy. 4) They eventually convert to electromagnetic potential energy. 5) They can increase kinetic ...

chemistry

an electron jumps from energy level to energy level two by absorbing a photon of energy 8eV. What is the most likely energy of the photon that will be emitted by the electron when it moves back down to energy level one

Physical Science- Atomic Structure

An electron jumps from energy level 1 to energy level 2 by absorbing a photon of energy 8 eV. What is the most likely energy of the photon that will be emitted by the electron when it moves back down to energy level 1? 2 eV 4 eV 8 eV 12 eV

chemistry

Which of following statements correctly describes energy levels? A. Electrons can never move to a higher or lower energy level. B.In it's outermost energy level, oxygen has 4 valence electrons. C. The second energy level holds a maximum of eight electrons. D. The greater the ...

chemistry

Which of the following statements correctly describes energy levels? A. Electrons can never move to a higher or lower energy level. B. In its outermost energy level, oxygen has 4 valence electrons C. The second energy level holds a maximum of eight electrons. D. The greater ...

chemistry

which of the following statements correctly describes energy levels? A. Electrons can never move to a higher or lower energy level. B. In its outermost energy level, oxygen has 4 valence electrons C. The Second energy level holds a maximum of eight electrons. D. The greater ...

11th grade Biology

Match the following.. 12. Moves in cycles from nonliving things to living things back to nonliving, etc. 13. Can be passed from one organism to another in a food chain. 14. Is constantly being lost from the biosphere. 15. Can be created by living organisms. 16. Involved in the...

Assist me Plzz!

What is the p.d. between 2 points in a circuit if 200J of electrical energy are changed to other forms of energy when 25 coulombs of electric charge pass? If the charge flows in 10 seconds, what is the current? Science help needed here. Vq=energy you know q, and energy.

Science - Please Help!!!

when you turn on a battery powered flashlight, you transform A - Heat energy into light and chemical energy. B - Chemical energy into electrical energy and light. C - Heat energy into chemical energy and light D - Electrical energy and light energy into chemical energy. I ...

physics-energy conservation

some people refer to heat as "low grade energy. a)how is low grade energy different from high grade energy? b)give two example of high grade energy When heating a cup of tea, which would be preferable...a stove with a burner on top, or a heating pad? High grade energy is ...

Science 8

When you turn on a battery-powered flashlight, you transform A.) Heat energy into light and chemical energy. B.) Chemical energy into electrical energy and light. C.) Heat energy into chemical energy and light. D.)Electrical energy and light energy into chemical energy. Is it ...

Physics multiple choice questions

1. Which of the following energy transformations best describes the operation of a solar powered battery charger? (a) electrical energy --> thermal energy --> kinetic energy (b) nuclear energy --> potential energy --> chemical energy (c) thermal energy --> ...

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