Recent content by Megasundato

  1. M

    How Many Workers and Days to Make 30 Units in 2 Days?

    ok. well pretty much I just set some equations up such as, d*w=p 2w*3d=10p But I realized this is not the right approach. Just now in the writing of this post, I think I may have figured out how to do it. I made into a constant(k) type problem. pretty much I put that the product...
  2. M

    How Many Workers and Days to Make 30 Units in 2 Days?

    Homework Statement It takes 2 workers 3 days to make 10 units. How many workers would it take to make 30 units in 2 days? Homework Equations I'm not sure of what equations to use. The Attempt at a Solution I've tried techniques such as laying out the equations and using...
  3. M

    Solve the Mystery: Where Did the Last Dollar Go?

    That's right. The tricky part is when you add in the false equation with the $9.
  4. M

    Solve the Mystery: Where Did the Last Dollar Go?

    So, three men pay for one hotel room which costs $30 each paying $10. Hours later the clerk realized he made a mistake and found out that the hotel room only costed $25, so he sent a bellboy up to the room with $5 to give to the three men. The bellboy realizes that you can't divide $5 evenly...
  5. M

    Unfortunate Couple's Tragic Tale

    Looking back on it now, I see a part of the specks that I forgot to add. When I first heard this one, it was made certain that there was no one unexpected in the car for the entire duration of the trip. ( Though the baby was born unexpectedly, his presence was not.) Sorry, it would have been...
  6. M

    Unfortunate Couple's Tragic Tale

    That would make it way too easy. Clever, nice try, but no. this requires even more thinking out of the box. P.S. I was not able to get it. I had one friend who answered it correctly, but I think I made it to easy with the wording. Spoiler is written backwards below this line...
  7. M

    Unfortunate Couple's Tragic Tale

    I hope this has not already been posted. If not, then enjoy. A husband and wife are in the middle of a long rode trip. They run out of gas miles away from any gas station, so the husband leaves his wife in the car with the windows rolled up and the doors locked, and heads off to find the...
  8. M

    Is there a difference in polarity for sonar sensors?

    Yeah, I thought sonar is a bit too big of a word for them lol. thanks for the help. that answers my question.
  9. M

    Is there a difference in polarity for sonar sensors?

    Hello, for my robot project, I'm using a system of of sonar range finding sensors which are generally used for this type of thing. My question is of there polarity. I'm assuming that it does not matter, for there are no clear indicators of positive or negative values on any of the poles. here...
  10. M

    Can I use one switch for two power sources on my robot?

    Hello, on my robot I essentially have two sources of power. #1. The first is my 9-volt battery to the BS2. (+ pin 24, - pin 23) #2. my second is a power source for the motors. it uses four C batteries not directly connected to the stamp but with it's own system of circuitry. check...
  11. M

    Importance of Wattage Difference

    no, I got a lot of spare room. thanks though.
  12. M

    Importance of Wattage Difference

    Great. thanks for the help.
  13. M

    Importance of Wattage Difference

    Hello, me again with another rookie question. lol I've almost completed all of the circuits for my robot; however, I noticed that the parts list required all of my resistors to be 1/4 watts, but the majority of resistors I've applied are 1/2 watts. I'm kind of pressed for time right now so...
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