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| Mess with your minds: A wind powered craft going faster than a tail wind speed. |
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| Alex Eisenhut:
Question: Do you agree with the red arrows I added to your diagram? |
| bdunham7:
--- Quote from: electrodacus on September 03, 2021, 03:44:53 pm ---Wrong way of asking the question as there is not enough data to be able to answer that. The question that can easily be answered with the amount of data available is calculate the energy the vehicle acted against the wall and that is fairly simple since we know the vehicle speed and mass we can calculate the kinetic energy of the vehicle 9Ws and so since before hitting the wall vehicle had that and after the wall that will be zero (assuming non elastic collision) then it will be 9Ws --- End quote --- So I'm unclear here. Are you saying the the wall provides 9Ws of energy to stop the car or are you saying that it is not possible to calculate the energy provided by the wall? |
| electrodacus:
--- Quote from: bdunham7 on September 03, 2021, 03:49:57 pm --- --- Quote from: electrodacus on September 03, 2021, 03:44:53 pm ---Wrong way of asking the question as there is not enough data to be able to answer that. The question that can easily be answered with the amount of data available is calculate the energy the vehicle acted against the wall and that is fairly simple since we know the vehicle speed and mass we can calculate the kinetic energy of the vehicle 9Ws and so since before hitting the wall vehicle had that and after the wall that will be zero (assuming non elastic collision) then it will be 9Ws --- End quote --- So I'm unclear here. Are you saying the the wall provides 9Ws of energy to stop the car or are you saying that it is not possible to calculate the energy provided by the wall? --- End quote --- You asked about power not energy and that was the wrong thing to ask for as power is not the same with energy. To answer the power question you will need to know much more about the vehicle shape and construction and you will also need to know at what exact moment you needed to know the power. |
| bdunham7:
--- Quote from: electrodacus on September 03, 2021, 03:51:58 pm ---You asked about power not energy and that was the wrong thing to ask for as power is not the same with energy. To answer the power question you will need to know much more about the vehicle shape and construction and you will also need to know at what exact moment you needed to know the power. --- End quote --- OK, a point for you. I meant energy, and my followup is clear enough--are you saying the wall provides 9Ws of energy to stop the car or did you mean something else? |
| Alex Eisenhut:
Question: Do you agree with the red arrows I added to your diagram? (And JFC if someone could explain to me how the #%$#%$!! you get attachments to show up properly!!) |
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