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What is perpetual motion?
A perpetual motion machine is something that will keep spinning or moving (typically involves rotation, but not always) forever without the need to keep adding energy. These are typically viewed as something that will move forever that we can connect a generator to in order to obtain free infinate energy.
From time to time people claim to have invented a machine that will run forever without energy input and develop more energy than it uses (perpetual motion). What is wrong with this claim?
Perpetual motion violates the laws of thermodynamics, specifically the first and second laws. The first law states that energy cannot be created or destroyed, only transferred or converted. The second law states that in any energy transfer or conversion, some energy is lost as heat, making it impossible to have a machine run forever without energy input and generate more energy than it uses.
Can light travel forever in a vacuum?
Yes, light can travel forever in a vacuum because there are no particles to absorb or scatter it.
Does light travel forever in the universe?
Yes, light can travel forever in the universe unless it is absorbed or scattered by objects in its path.
From time to time people claim to have invented a machine that will run forever without energy input and develops more energy that it uses Why would you have reason to question such a machine?
Friction and entropy overcome all devices eventually. DaVinci called perpetual motion a shimia. A ghost or illusion.Answer2. Such a machine would violate Conservation of Energy, creating energy from nothing.The Second Law of Thermodynamics.
Can a candle in a jar last forever?
No, a candle in a jar will not last forever. The candle will eventually burn out as it consumes the wax and wick. The duration of the candle depends on factors such as the size of the candle, the quality of the wax, and the environmental conditions.
The number pi goes on forever with no repeating pattern therefore its irrational?
Correct -
How long does THC stay in the umbilical cord blood?
Not very long. Want to know why? Because it gets absorbed by the baby. Everything the mother consumes, the baby consumes. You are putting your unborn baby at risk of developing physical or mental disabilities or even stillbirth or miscarriage. See related question below.
Why can't natural resources be used forever?
Because there is a limited amount. We will run out because nature isn't producing it as fast as we are using it.
Ask us anythingThe number 0.1111... repeats forever therefore it is irrational?
False
Why will a footprint last forever on the moon?
There is no air or water on the moon, therefore nothing to erase it.
Is 0.1666666 a repeating decimal?
no, there are no elipses so it doesn't go on forever, therefore, not a repeating decimal
The number pi goes on forever with no repeating pattern therefore it is irrational. true or false?
True
What is 'forever' in Welsh?
"Am byth" is a Welsh equivalent of "forever."In fact, the Welsh phrase appears in the Welsh motto: "Cymru am byth." The Welsh noun "Cymru" is the word for "Wales." The English equivalent of Wales' motto therefore is "Wales forever!"
What is the alliteration in strawberry fields forever?
Alliteration in poetry is the repetition of a beginning consonant sound. The alliteration, therefore, in Strawberry Fields Forever is the repeating "F" sounds at the beginning of "Fields Forever". No other alliteration is noticeable in the lyrics that I see.
Is half of forever an idiom or a hyperbole?
As it stands it is a figurative expression and therefore an idiom. In context it could also conceivably be a hyperbolic statement, ie. an exaggeration. It is more aptly a non sequitur, as half of forever is still, in effect, forever.
What does Nothing's forever Forever is a lie All we have is what's between hello and goodbye Mean?
Forever Has Lied To Him. Someone Else Had Told Him This. And They Didn't...He Met You. He Knew That If He Said Forever Again, He Would Be Broken Again. All You Guys Have Is When It Begins...Until It Ends... So Not Forever, But Til You Say Goodbye. THEREFORE: RUN I forget who sings this song, and whats it called?
