English, 15.09.2021 22:00 HeroicEddie

1. What is energy? 2. What can energy produce?
3. What are the two main types of energy?
4 What type of energy is stored energy?
5. What are the four types of potential energy?
6. What type of energy involves motion?
7. What are the five types of kinetic energy?
8. What does the Law of Conservation of Energy state?
9. Can energy change form?
10. What is the only exception to the Law of Conservation for Energy?
11. What is energy efficiency?
12. When energy is "lost", what type of energy is it changed into?
13. What is the energy efficiency in most electric power planTs

Answers: 3

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Answers

1. energy is the ability to work, for example: people use energy to walk and bicycle, to move cars along roads and boats through water and more.

2. energy can produce heat, power life, move objects, or produce electricity.

3. two types of energy are potential and kinetic energy.

4. kinetic energy

5. four types of potential energy are: elastic, electrical (electromagnetic) , gravitational , and nuclear potential

6. kinetic energy

7. the five types of kinetic energy are: radiant, thermal, sound, electrical and mechanical

8. the law of conservation of energy states that the amount of energy is neither created nor destroyed. for example, when you roll a toy car down a ramp and it hits a wall, the energy is transferred from kinetic energy to potential energy

9. yes energy can change from one form to another

10. there is no exception to this law.

11. energy efficiency is a means of measuring the energy-expenditure required to achieve a certain benefit

12. it changes to heat energy

13. the overall average for the USA is 7% to 8%

Answer from: Quest

the speech this question is referring to is president kennedy's special message to the congress on urgent national needs, may 25, 1961

kennedy responds in a very direct and concrete way to those thinking that communism is a positive system:

"yet their aggression is more often concealed than open. they have fired no missiles; and their troops are seldom seen. they send arms, agitators, aid, technicians and propaganda to every troubled area. but where fighting is required, it is usually done by others--by guerrillas striking at night, by assassins striking alone--assassins who have taken the lives of four thousand civil officers in the last twelve months in vietnam alone--by subversives and saboteurs and insurrectionists, who in some cases control whole areas inside of independent nations." (kennedy)

president kennedy presents communism as cowardly, as a hidden and treacherous weapon that strikes from the shadows like thieves, he represents the system as not even being capable of showing and open and overt attack or confrontation. to finish up the response, he expresses that the system attacks even a country's idependence and freedom.

Answer from: Quest

my guy how are we supposed to know

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1. What is energy? 2. What can energy produce?
3. What are the two main types of energy?