What is Race: Definition and 225 Discussions

Rače (pronounced [ˈɾaːtʃɛ]) is a settlement in and the administrative centre of the Municipality of Rače–Fram in northeastern Slovenia. It lies under the eastern Pohorje Hills on the edge of the plain on the right bank of the Drava River south of Maribor. The area is part of the traditional region of Styria. The municipality is now included in the Drava Statistical Region.Rače Castle is a 16th-century castle west of the settlement. It was built between 1528 and 1533 and was originally surrounded by a moat. In the 17th century two round towers and a chapel dedicated to Saint John of Nepomuk were added to the building. A square tower on the opposite side of the building dates to 1915.

View More On Wikipedia.org
Recent contents Top users
  1. marcus

    Beisert v. Seifert citations race, and other signs of the times

    I suspect that the most influential string research will now tend to be done in places where there is a strong nonstring quantum gravity group---so string and nonstring QG people share offices, meet at seminars and at coffeeroom etc. Places where string and nonstring research are on more or less...
  2. C

    Solving the Drag Race Problem: Car A's Top Speed vs. Car B

    Homework Statement Its a project where I have to create a scenario in which a dragster (Car A) has the highest top speed but loses the race(to Car B) That is all that is given to me, although some random things such as Apocalypses or random explosions are obviously not permitted...
  3. S

    How long could human race survive without the sun?

    Hello, Here is my question: Just imagine the sun would stop shining, without exploding. It would just totally disappear without causing harm. How long would human race survive without the benefits of the sun? 10 minutes? 10 hours? 10 days? Could it stand the cold longer? How long would it...
  4. W

    Calculating Force Needed to Stop a Race Car

    #1 A 5 g bullet leaves the muzzle of a rifle with a speed of 320 m/s. What force (assumed constant) is exerted on the bullet while it is traveling down the .82 m long barrel of the rifle ? -------------------------- m = .005 kg v (initial) = 320 m/s d = .82m F = ma but i don't know how to find...
  5. L

    Race to the Finish: Ed vs Harry

    Homework Statement Ed, the leading runner in a race taking place along a straight track, is traveling at his top speed, a constant 10.0 m/s. He has been 4.1 m in front of Harry, his chief rival, for the last 10.0 s. But aware that Ed will hit the finish line in 15.0 s, Harry puts on a burst of...
  6. 4

    Comparing Cars A and B: Who Wins the Race?

    Homework Statement Cars A and B are racing each other along the same straight road in the following manner: Car A has a head start and is a distance Da beyond the starting line at t=0. The starting line is at x=0. Car A travels at a constant speed Va. Car B starts at the starting line but has...
  7. S

    Speed distance time, 1500mtr race

    Hello, Just after a bit of help with the following, I have a solution but don't think it is correct due to me not including the lap size. Runner A runs at 6.25m/s per sec and runner B at 4.39m/s per sec in a 1500 mtr race. a, calculate te distance at which runner A laps runner B. B, if...
  8. D

    Rc Hovercraft Race @ Shaastra 2007,india

    Hi friends SHAASTRA 2007 (IIT MADRAS,INDIA) brings you an opportunity to earn a lot of cash and become famous . Participate in FIRE n ICE event where you have to make a small hovercraft and compete with others. For more information look at the link below...
  9. wolram

    Chance of predicting the out come of a race like the Grand National?

    What is the chance of predicting the out come of a race like the Grand National?
  10. F

    Superman's Race: Friction Coefficient and Finishing Time

    Homework Statement Friction coefficient between an athlete's shoes and ground is 0.9 . Suppose Superman wears these shoes and runs a 50m race.There is no upper limit on his capacity of running at high speeds . Starting from rest, what will be the minimum time before he finishes the race ...
  11. C

    Car race riddle (not too hard, not too easy)

    My mum told me this one, it's pretty cool :). The red car and the blue car are having a race. The red car, which has a top speed of 70mph has a 20 minute head start over the blue car, which has a top speed of 80mph. Assuming that top speeds are reached the very instant a car starts, and...
  12. N

    Who Will Secure the Final Spots in the NHL Eastern Playoff Race?

    So is anyone watching the playoff race? 7 teams divided by 4 points fighting for 4 spots with 5-6 games left (1 spot guaranteed to ATL/TB/CAR) ATL 88, NYR 87, TB 86, MTL 86, CAR 84, TOR 84, NYI 84. HEH i hope it turns out to be ATL MTL, TOR and TB but it looks like it NYR will oust...
  13. P

    Wave Race 2: Explain the logic behind this formulary?

    https://www.physicsforums.com/showthread.php?t=160610 Continuing off this problem.. My teacher wrote the solution on the board (and conveniently went to the hospital before our period). Problem again.. Homework Statement The velocity of the transverse waves produced by an earthquake is 8.9km/s...
  14. P

    Wave race: Help me start off the earthquakes

    Homework Statement The velocity of the transverse waves produced by an earthquake is 8.9km/s while that of the longitudinal waves is 5.1km/s. A seismograph records the arrival of the transverse waves 73s before that of the longitudinal waves. How far away was the earthquakes?Homework Equations...
  15. W

    Scientific basis of race (thread split)

    whoa for the biggest 1st post bump ever I've been involved in a few discussions over racism this week, so it's all new and fresh to me; well, I decided to post my thoughts here, for historical reference. This thread was looking for "scientifical" definition of human races that could be used in...
  16. L

    Designing a Race Track Circuit Diagram for 3 Cars

    :cry: Alright I need help drawing the diagram... I know what I'm doing and a lot of the information but I need help with the diagram. A three car race track has sensors in each lane at the finish line. As the cars cross the finish line their respective sensors respond and send a signal to a...
  17. H

    The Great Marble Race Physics Project

    The Great Marble Race Physics Project Due: Nov. 13 The project is a display that demonstrates several concepts of mechanics. It will consist of a ball and a series of tubes or track that send the ball through motions that illustrate the physics concepts. At least 6 different concepts will be...
  18. M

    F1 Fans Unite! - Celebrating Michael Shumacher's Final Race

    Is there anyone else here in PF that follows F1? I am completely obsessed with it, it is my dream to race in F1.:rolleyes: I can't believe that Michael Shumacher is retiring!??!??! I watched his final race two sundays ago and wow, he is simply amazing. On the first lap one of his tires blew...
  19. R

    Which Gear and RPM Range Yield Faster Acceleration in a Mazda RX-7?

    Race Car Acceleration Rates? Hi There, I have been on the web for two weeks now trying to find an answer to my situation. There are no calculators that I can input the numbers below into find out what is best. The rule in road racing is he who can accelerate the hardest out of the corner...
  20. R

    F=ma in Racing Cars: Exploring the Relationship Between Engine Power and Weight

    explain the following in f=ma a)a racing car has a powerful engine and is made of storng but light weight material b)a car with a small engine can still accelerate rapidly please help me i need model answers thanks soooooo much:biggrin: :cry: :biggrin:
  21. O

    Kinetic energy of runner race question

    Say a father who has a mass that is two times that of his son is racing against him, and his kinetic energy is half of his son. When the father increases his speed by one m/s, the kinetic energies are equal. I do this: M = mass of father V = velocity of father 0.5MV^2 = 0.5(0.5mv^2)...
  22. J

    Solve Solar Drag Race Model Equation

    I am working on a model of a solar powered drag race. The race: 250 meters, no incline, initial velocity = 0. Classical physics gives us the following equations (ignores aero and rolling drag and wheel rotation): Velocity as a function of time V = (2Pt/M)^.5 P = power, M = mass...
  23. K

    Intelligence, creativity and race

    Do you think that intelligence and creativity are based on race? If so, why? If not, why not?
  24. marcus

    Another dark horse in the MOND race

    Another "dark" horse in the MOND race I'm glad there are several competing alternatives to dark matter. Bekenstein's TeVeS doesn't have the field to itself. this appeared today: http://arxiv.org/abs/astro-ph/0605322 Dark energy, MOND and sub-millimeter tests of gravity I. Navarro, K. Van...
  25. H

    What is the meaning behind the phrase the race is not to the swift?

    The race is not to the swift or the battle to the strong, nor does food come to the wise or wealth to the brilliant or favor to the learned; but time and chance happen to them all. I'm wondering what this "poem" really means. Is it that the race is for everyone who uses up his/her time...
  26. C

    Driving past your opponent in a space race

    The situation is this: Two space vehicles A and B are doing a race in space. A is in front of B and they are both in orbit around the earth. For simplicity let this orbit be a circle (i.e. neglectable eccentricity). Now, B wants to get past A, that is, B wants to cross the "line" connecting the...
  27. X

    The Great Slow Race: Compete to Move the Furthest & Slowest!

    Okay, so here's the competition: We will be given a spring that can stretch to no more than 40 centimeters in length. That spring has to be used to power some type of vehicle to move as far and as slow as possible. Our score will be determined by this: time*distance=score. Our idea is...
  28. H

    Books for Race Car Design and Construction

    Hi all! It's me again. I asked about how the wing of a design car should be designed before. Thanks for all your replies. I would like to have a good reference book for me to start from scratch learning how to build a race car, do you guys have any recommendation? p.s. I major in...
  29. D

    Does Race Exist: Social Construct or Reality?

    Does race exist or is it a social construct? After reading only a few pages of "Race and Intelligence", I am leaning towards the latter. However, I have also noted that a scientist I admire, Dawkins, believes in race. However, the reasons why he does, according the wikipedia, are contained in an...
  30. B

    Surviving Evolution: The Ongoing Battle Between Pathogens and Human Immunity

    I have been thinking of the evolution of the human race over time. Obviously, environmental factors have prevented those with detrimental traits from passing them on, bringing us to our current form. However, with the amount of technological advances in our current time and in the near future...
  31. V

    Race of the hands of a watch

    The minute and hour hand of a watch meet every 65 minutes. How much does the watch lose or gain and by how much?
  32. wolram

    Was there ever a race of giant people?

    Was there ever a race of giant people ? i have come across sites that claim they existed but all the evidence seems to have disapeared.
  33. P

    Race of humans cannot start with one man and one women?

    Can someone please explain the reason as to why a race of humans cannot start with one man and one women? This silly idea keeps popping up with creation people and I can't see that this is even what the Bible holds true. But I'd like to hear as to why this can't be true from a biological point...
  34. R

    How to Calculate the Mass of a Toy Car Using Kinetic Energy?

    "A child's toy race car travels across the floor with a constant velocity of 2.10m/s. if the car possesses 14.0 j of kinetic energy, find the mass of the car." How do i do this question? Am i supposed to use ek=eg or something else?
  35. P

    In a race down inclined plane why does a cube reach bottom first?

    In a race down inclined plane why does a cube reach bottom first? The other object is a solid cylinder. The cylinder rolls without slipping, and the cube slides. The cylinder has radius R, and a cube has radius R. Does this depend on the mass of the objects? Is it because since the cube...
  36. K

    Sociology Argument: Race= Valid Means of Classifying

    The last couple days in Sociology have been very argumentative. Here's why Why Race Exists As a Valid Means of Classification We humans have created a device to help classify and recognize the physical differences between living organisms. This identification system was created in order...
  37. S

    Race between Bon Jovi and Kurt Kobain

    Bon Jovi challenges Kurt Kobain to a five mile car race. Kurt Kobain commences the race at a constant speed of 22 miles per hour. Bon Jovi waits precisely three seconds after Kobain has traversed 3/5 mile and starts his car, covering every xth mile at the rate of 5/2*3^x miles per hour. Who is...
  38. O

    Race car minimum average speed

    Not asking for an answer, just point me in the right direction please: In order to qualify for a racing event, a race car must achieve an average speed of 278km/h on a track with a total length of 1260m. If a particular car covers the first half of the track at an average speed of 209km/h...
  39. F

    News Well race fans, I think we have our creator(Finally)

    The Kansas board of education's incessant need to replace real science with some untestable ideal of a 'creator' (AKA God) who guides the fate of man and beast by gently tweaking the DNA strands as he/she/they/it deems necessary will be taking a backseat to the theory of the spaghetti monster...
  40. G

    The Social Implications of Contacting an Alien Race

    Ignoring the if, when, and how of contact with an alien race, what would the social stigmata be of this event? Suppose that we receive radio signals from Race B (roughly equivalent in technological development) that originate several light years away in 2010. How would our society be forced to...
  41. C

    US Air Force Developing Space Weapons: A Global Arms Race?

    It seems GWB has given green signal to US Air Force to develop space weapons. Is it really true and is it going to trigger an arms race. What are the other countries doing? I don't think UN would be of much help! :rofl:
  42. L

    Rabbits in a race math problem

    I've been playing this computer game where it has a side game where you can bet on rabbits in a race. I'm a Math 30 pure student currently so my math skills are not exceptional anyways I've been trying to come up with an equation to figure out this problem. Alright so what happens is each...
  43. T

    What Is the Purpose of the Time Interval in Calculating Instantaneous Velocity?

    A race car moves such that its position fits the relationship x(t) = (4.4 m/s) t + (0.91 m/s^3) t^3 (yes cubed) where x is measured in meters and t in seconds.Approximate the instantaneous velocity at t = 2.6 s, using a time interval of 0.2 s. Answer in units of m/s. i am just stuck and...
  44. J

    Is There a Most Evolved Race Among Humans?

    Is There A More Evolved Race? you always here about blacks being the natural athletes and what not. I am sure you see a lot of asians being very flexible, but i wanted to know if physically speaking, there were a more evolved race out of the bunch of us. has there been any research done about this.
  45. M

    Soup Can Race: Investigating the Physics Behind It

    In physics class, we had a soup can race to see which can of soup would get to the bottom of the ramp first... the length or height of the ramp was given but there were 2 kinds of soup used one was french Canadian pea soup and one was chicken broth the chicken broth got to the bottom...
  46. Loren Booda

    What will be the last vestige of the human race?

    What will be the last existing vestige of the human race? How shall it compare to the first such evidence? Will it be characteristic of humanity in general?
  47. Ivan Seeking

    Why do race cars use wide tires?

    If the frictional forces are independent of the area of the tire in contact with the road, what motivates this choice?
  48. J

    Why Do Race Cars Heat Their Tires Before a Race?

    Why exactly do race cars have their tires heated before a race?
  49. T

    The race towards an early grave or grace?

    Technology today is so focused on efficieny, proficiency and producivity. Cloning to create better humans, faster transportation, longer work-days and computerised everyday experience. Is it worth it? For anyone who believes in evolution: Have you created machines that we ourselves cannot...
  50. S

    Solve Race Car G Problem: How Many G's?

    A particular race car can cover a quarter-mile track (402 m) in 6.27 seconds, starting from a standstill. Assuming the acceleration is constant, how many "g's" does the driver experience? This has to be a really easy problem as I am given the m and the sec but I can not figure out what...
Back
Top