Recent content by Norway

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    B Probability in a dice game

    I agree with your observation. As you suggest, I am indeed interesting in getting things right. English is not my first language, and so I'm struggling to formulate and phrase my thoughts and intentions clearly. If I could, I would want the problem to be clearly and unambiguously stated in the...
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    B Probability in a dice game

    Thank you for all your questions! There are a lot of very good questions, most of which I hadn't even considered. I double-checked with the game master now, to clarify the rules once and for all. The "1"s are mandatory, which means you must use them all, whenever you're counting a value...
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    B Probability in a dice game

    No, the "1"s are only jokers, so in this case, every legit value will have eight or more of a kind. Good question! If there were zero of any value, for example no "4"s, then it would be a success, though, as the seven "1"s would make seven "4"s! Great! Looking forward to it :biggrin:
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    B Probability in a dice game

    I've never coded in Perl, but... Does this mean that one throw can generate multiple successes? One throw is either a (one) success, or not. Also, I might have made coding errors. I'm not entirely confident in my own coding abilities. :oldtongue: Here's my Python script: import randomN =...
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    B Probability in a dice game

    All "1"s are restricted to the same value. That is, either all "1"s count as "2"s, or "3"s, or "4"s, or "5"s, or "6"s. You can not split the "1"s on different values. So: ✅ {1, 1, 1, 1, 1, 2, 2, 3, 3, 3, 4, 5, 5, 5} (seven "2"s) ❌ {1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5} (many 8-of-a-kinds...
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    B Probability in a dice game

    I apologize for any ambiguity and/or confusion I caused. The throw is considered successful if there is exactly seven of any value. This means that 8-of-a-kind is NOT successful (unless it coincidentally happens to have another 7-of-a-kind in the same throw). It doesn't matter if the throw...
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    B Probability in a dice game

    We're playing a game with regular, fair, six-sided dice, and we're throwing 14 of them. The "1" is a "joker", which means it can count as any other number. So, for example, if we roll three "1"s and four "2"s, we have seven "2"s. What is that probability that we get exactly seven of any face...
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    Does speed affect energy consumption over a certain distance?

    So... In theory, if it was just a box, moving in vacuum, without friction, yadda-yadda, then it would actually take the exact same amount of calories to move from A to B, regardless of the speed it traveled with. But because "the legs move more back and forth", in real life, you would spend...
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    Does speed affect energy consumption over a certain distance?

    Thank you for your reply! I know, I just used the formula found on Wikipedia, which uses s as a symbol for displacement. I can absolutely see how that is ambigious! Haha, yes I have (and I hate it!) :-) Of course I notice how every stride takes more power when I'm running compared to walking...
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    Does speed affect energy consumption over a certain distance?

    Hi! I just watched a video about cardio training, where it is claimed that the only thing that matters is the distance covered, and not the speed. "Four miles burns more calories than three miles." So, walking four miles burns more calories than sprinting three miles. (Click the link and watch...
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    Solving Tension in Rope for Homogeneous Rod

    Thank you both very much! We got it now :-)
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    Solving Tension in Rope for Homogeneous Rod

    Thanks for replying! We have denoted FC as 40 * 9.81 N = 392 N, just simplifying the distributed mass as an average in the middle. But this would be the total downward force for the entire rod, so that would mean no other downward force for the rest of the rod, including in FB. I get a little...
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    Solving Tension in Rope for Homogeneous Rod

    Homework Statement I'm sorry, I'm not the best in English, but I'll try to translate it. A homogenous rod with length 5.0 m and mass 40 kg, is connected to a pole at 70* at point A. The rod is held in place with a rope that makes 50* with the pole, and is connected to the rod 1.0 m from the...
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    Question about reflecting light off a mirror

    You're right. :-) This is the law of reflection. http://www.physicsclassroom.com/mmedia/optics/lr.cfm
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    Why does ice grow in the freezer rather than evaporate?

    Hi! I hope I put this in the right place. I apologize if I didn't. We we're having a discussion here, as to why frost builds up in the freezer. The discussion has been something like this: Guy 1: The water in this room temperature bowl will weigh less and less over time. This is because...
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