Recent content by ColonelCronus

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    Time to raise temperature of frozen body

    Temperature of water in the bucket: 50 deg C. Temperature of frozen bottle of wine: -20 dec C. Bottle capacity: 750 ml Bucket capacity: 10 litres Yes. Q=m c \partialT.
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    Time to raise temperature of frozen body

    I wanted to figure out some simple 'party' trivia, but it seems I suck a physics. The scenario: A bottle of wine has been placed in the freezer to cool. It is left there too long and freezes completely. The host, fretting, decides to defrost the wine in a bucket of warm water. The water...
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    Travelling near the speed of light

    Yes that is what I meant. Sorry if it wasn't clear. I think the point is that (as I understand it) relativity states that the speed of light will always be measured at a constant 299*10^6 m/s. This is made possible by changes in time. (Feel free to jump in if I'm wrong) Meaning those...
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    Travelling near the speed of light

    Hi I have some questions which I think should be fairly easy for many of you here. Basically I'm locked in a debate with a friend who believes that since Einsteins equivelence principle says we could be traveling at 9.8ms-2, then there's no way of knowing if we are or not! How would you know...
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