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snow_lady [41]
3 years ago
14

What is meant by 'wasted energy'?

Physics
2 answers:
Usimov [2.4K]3 years ago
7 0
So it means that it wastes electricity e.g if you leave your computer on standby or TV on when your not using it it can waste alot of electricity
schepotkina [342]3 years ago
5 0
Wasted energy is an energy which is transformed without significant use.
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A light year is approximately 9.5 million km long. 'Barnard's Star' is 6 light years away from Earth. Calculate how many million
hammer [34]

Answer:

6 light years = 57 million km

Explanation:

Given;

A light year = 9.5 million km

To calculate how far is 6 light years;

6 light years = 6 × 1 light year = 6 × 9.5 million km

6 light years = 57 million km

7 0
3 years ago
Read 2 more answers
Graphs are representations of equations.<br> A. True<br> B. False
zhuklara [117]

Answer:

Hi there!

The answer is: A. True

6 0
2 years ago
Read 2 more answers
Which of the follow represent a chemical changes
mixer [17]

Answer:

C) steel turning to rust in salt air

Explanation:

The missing options are:

A) ice melting to form liquid water

B) water boiling to form steam

C) steel turning to rust in salt air

D) sugar dissolving into hot coffee

In a chemical change the atoms of the reacting compounds are reordered forming new compounds. In a chemical change, new compounds appear, but in a physical change not.

Then, change of states like ice melting and water boiling are not chemical changes.

During steel rust, components of steel, like iron, are oxidized, that is, reacts with oxygen forming oxides.

The dissolution of sugar into hot coffee is a physical change in which sugar molecules get further apart in the coffee,  but they don't change.

5 0
3 years ago
Please answer both questions and not just one. Thanks!
Margarita [4]
It would be d and c hoped i helped!
8 0
3 years ago
A green plant absorbs light a frog eats flies these are both examples of how organisms
Llana [10]
I think I can answer your question since I've worked on this before. Your answer should be obtain energy. If your answer choices were; obtain energy escape predators produce offspring excrete waste
7 0
2 years ago
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