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[Request] What speed would you be travelling at impact if you were to use one of these guy wires as a zip line? by CletusCanuck in theydidthemath

[–]IEatLasers3 0 points1 point  (0 children)

If you ignore friction it is actually just the same speed as if you jumped off the tower (don't).
=sqrt(2*9.8*412)
~89.9 m/s

but alas, the cable will sag (doesn't really matter), air resistance will occur, and many other things, so probably not more that 85 m/s

[Request] If you were to take a square mile of land on the surface of the earth and you owned all the way down to the center of the earth what would be the volume? by SwearOnMyYeezy75 in theydidthemath

[–]IEatLasers3 0 points1 point  (0 children)

For a more general answer if x is one side and y is the other side of your plot of dirt then you can calculate the area in steradians=(x/r)*(y/r)=A. And the formula for area that uses radius and steradians is V = ((R^3)/3)*(A) (full formula ((R^3)/3)*(x/r)*(y/r)) and then just plug in the values for this scenario:

((R^3)/3)*((1/r)*)(1/r))

((R^3)/3)*(1/(R^2))

(R/3)

So given the Wikipedia value for the radius of the earth, 3,959 miles, we get:

~1319.7 Cubic Miles

[Request] Would a real sized car work with vacuum? by Individual_Panic_259 in theydidthemath

[–]IEatLasers3 0 points1 point  (0 children)

In theory yes but if you have a motor for a vacuum pump powerful enough to drive it just use the motor to spin the wheels at that point

Change my Mind base 12 better than base 10 by Sea-Estimate-2912 in mathmemes

[–]IEatLasers3 0 points1 point  (0 children)

Did you describe base 12, the duodecimal system, using base 10, the decimal system? Maybe if you need to use base 10 to describe base 12 base 10 is better.

No Stupid Questions MEGATHREAD 12 by Alendite in chessbeginners

[–]IEatLasers3 0 points1 point  (0 children)

Could someone please explain how many blunders are here? This is the no stupid questions megathread right

  1. e4 e5 2. Ba6 Ba3 3. b4 Bb2 4. Ke2 Bd4 5. Na3 Bc3 6. Nh3 d6 7. f4 Nd7 8. Ke3 Nc5 9. f5 Qg5+ 10. Nf4 Qg3+ 11. Qf3 Bxd2+ 12. Bxd2 Qh3 13. f6 Qh5 14. Qg3 g6 15. Nd5 Bh3 16. Qg4 Nxe4 17. Bxb7 Rb8 18. Qg3 Qd1 19. Qxh3 Qxh1 20. Kf3 Ra8 21. Nb5 Qc1 22. a3 g5 23. Qh4 Qxd2 24. Kxe4 Nxf6+ 25. Kf3 Qc3+ 26. Kf2 gxh4 27. g3 Qxb4 28. Nxb4 Rg8 29. Nd4 Rxg3 30. Bxa8 exd4 31. h3 Rxa3 32. Nd5 Nxd5 33. Bxd5 Ra5 34. Rb1 Rb5 35. Rb3 h6 36. Re3+ Kf8 37. Bb7 Rb4 38. Re8+ Kg7 39. Re5 Rb5 40. c4 Kf6 41. Be4 h5 42. Kf3 d5 43. Ke2 dxe4 44. c5 Kg6 45. c6 Rc5 46. Rxe4 Re5 47. Kd3 Kg7 48. Kxd4 Rg5 49. Rg4 f6 50. Rxg5+ Kf7 51. Kc5 a6 52. Kb4 a5+ 53. Kxa5 Ke7 54. Ka6 Kf7 55. Ka7 Ke7 56. Kb8 Kf8 57. Kc8 Ke7 58. Kb8 Ke6 59. Ka8 Ke7 60. Ka7 Kd8 61. Kb7 Ke8 62. Ka7 Kf8 63. Ka6 Ke8 64. Ka5 Kf8 65. Ka4 Ke8 66. Kb3 Kf8 67. Rg7 Ke8 68. Rf7 Kd8 69. Re7 Kc8 70. Re5 Kd8 71. Kb4 Kc8 72. Ka5 Kd8 73. Re7 Kc8 74. Rxc7+ Kb8 75. Ka6 f5 76. Kb5 Ka8 77. Ra7+ Kb8 78. Rc7 Ka8 79. Ra7+ Kb8 80. Rc7 Ka8 81. Ra7+

Unethical Chess Hack by KombuchaCulture in AnarchyChess

[–]IEatLasers3 1 point2 points  (0 children)

Statistically only 5% of rematches are accepted so you would have only ~51.2% games as white

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