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Jeopardy gets slope degree/percent wrong



 
 
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  #1  
Old July 5th 16, 06:52 AM posted to rec.skiing.alpine
Richard Henry
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Posts: 3,756
Default Jeopardy gets slope degree/percent wrong

I recall discussions here long ago about the difference between slope angle measurements in degrees and percent. Tonight on Jeopardy in the combination of a clue and correct response, they said Talladega race course turns are banked at a maximum of 33 percent. According to NASCAR, the steeper curves are banked at 33 degrees, or about 65 percent.
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  #2  
Old July 5th 16, 12:56 PM posted to rec.skiing.alpine
pigo[_2_]
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Posts: 2,376
Default Jeopardy gets slope degree/percent wrong

On Tuesday, July 5, 2016 at 12:52:52 AM UTC-6, Richard Henry wrote:
I recall discussions here long ago about the difference between slope angle measurements in degrees and percent. Tonight on Jeopardy in the combination of a clue and correct response, they said Talladega race course turns are banked at a maximum of 33 percent. According to NASCAR, the steeper curves are banked at 33 degrees, or about 65 percent.


I remember the original topic. If I remember correctly it had more to do with blowhards than anything else. But this is RSA so.........oh well.

But what is 100%? Is a horizontal line 0 and the vertical of a 90 deg. 100%? "per cent" of what? 360? Never gave it much though. I remember a section of "the peak" at Park City that was supposed to be 54 deg.(?). It seemed straight down.
  #3  
Old July 5th 16, 03:18 PM posted to rec.skiing.alpine
Richard Henry
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Posts: 3,756
Default Jeopardy gets slope degree/percent wrong

On Tuesday, July 5, 2016 at 5:56:39 AM UTC-7, pigo wrote:
On Tuesday, July 5, 2016 at 12:52:52 AM UTC-6, Richard Henry wrote:
I recall discussions here long ago about the difference between slope angle measurements in degrees and percent. Tonight on Jeopardy in the combination of a clue and correct response, they said Talladega race course turns are banked at a maximum of 33 percent. According to NASCAR, the steeper curves are banked at 33 degrees, or about 65 percent.


I remember the original topic. If I remember correctly it had more to do with blowhards than anything else. But this is RSA so.........oh well.

But what is 100%? Is a horizontal line 0 and the vertical of a 90 deg. 100%? "per cent" of what? 360? Never gave it much though. I remember a section of "the peak" at Park City that was supposed to be 54 deg.(?). It seemed straight down.


It is 100% when the amount of rise (or fall, in the case of skiing) is the same as the amount moved forward. The angle where that happens is 45 degrees. There are very few ski slopes that approach that steepness because snow generally won't stay on it.

The mathematical formula is 100 * tan(angle) -- the tangent of the angle multiplied by 100 to convert to percent.
  #4  
Old July 5th 16, 04:57 PM posted to rec.skiing.alpine
The Real Bev[_4_]
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Default Jeopardy gets slope degree/percent wrong

On 07/05/2016 08:18 AM, Richard Henry wrote:
On Tuesday, July 5, 2016 at 5:56:39 AM UTC-7, pigo wrote:
On Tuesday, July 5, 2016 at 12:52:52 AM UTC-6, Richard Henry
wrote:
I recall discussions here long ago about the difference between
slope angle measurements in degrees and percent. Tonight on
Jeopardy in the combination of a clue and correct response, they
said Talladega race course turns are banked at a maximum of 33
percent. According to NASCAR, the steeper curves are banked at
33 degrees, or about 65 percent.


I remember the original topic. If I remember correctly it had more
to do with blowhards than anything else. But this is RSA
so.........oh well.

But what is 100%? Is a horizontal line 0 and the vertical of a 90
deg. 100%? "per cent" of what? 360? Never gave it much though. I
remember a section of "the peak" at Park City that was supposed to
be 54 deg.(?). It seemed straight down.


It is 100% when the amount of rise (or fall, in the case of skiing)
is the same as the amount moved forward. The angle where that happens
is 45 degrees. There are very few ski slopes that approach that
steepness because snow generally won't stay on it.

The mathematical formula is 100 * tan(angle) -- the tangent of the
angle multiplied by 100 to convert to percent.


Or, for the mathematically-challenged, multiply or divide by 2.

--
Cheers, Bev
---------------------------------------------------------------
"Advertising is the rattling of a stick inside a swill bucket."
-- George Orwell


  #5  
Old July 5th 16, 06:56 PM posted to rec.skiing.alpine
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Posts: 123
Default Jeopardy gets slope degree/percent wrong

On Tuesday, 5 July 2016 09:57:33 UTC-7, The Real Bev wrote:

Or, for the mathematically-challenged, multiply or divide by 2.

--
Cheers, Bev


Huh??? 45 degres = 100 % hows that a multiply/divide by 2?

http://www.greenbeltconsulting.com/a...tionships.html
  #6  
Old July 5th 16, 07:16 PM posted to rec.skiing.alpine
Richard Henry
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Posts: 3,756
Default Jeopardy gets slope degree/percent wrong

On Tuesday, July 5, 2016 at 11:56:14 AM UTC-7, wrote:
On Tuesday, 5 July 2016 09:57:33 UTC-7, The Real Bev wrote:

Or, for the mathematically-challenged, multiply or divide by 2.

--
Cheers, Bev


Huh??? 45 degres = 100 % hows that a multiply/divide by 2?

http://www.greenbeltconsulting.com/a...tionships.html


That's all the math some people can handle.
  #7  
Old July 5th 16, 09:51 PM posted to rec.skiing.alpine
The Real Bev[_4_]
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Posts: 1,233
Default Jeopardy gets slope degree/percent wrong

On 07/05/2016 12:16 PM, Richard Henry wrote:
On Tuesday, July 5, 2016 at 11:56:14 AM UTC-7, wrote:
On Tuesday, 5 July 2016 09:57:33 UTC-7, The Real Bev wrote:

Or, for the mathematically-challenged, multiply or divide by 2.

--
Cheers, Bev


Huh??? 45 degres = 100 % hows that a multiply/divide by 2?

http://www.greenbeltconsulting.com/a...tionships.html


That's all the math some people can handle.


No ****. I'll try to figure out what I was thinking about in a minute
or so. Maybe...


--
Cheers,
Bev
++++++++++++++++++++++++++++++++++++++++++++++++++ +++
"Rats cry when they hear about my life." -- Dilbert
  #8  
Old July 5th 16, 10:30 PM posted to rec.skiing.alpine
Richard Henry
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Posts: 3,756
Default Jeopardy gets slope degree/percent wrong

On Tuesday, July 5, 2016 at 2:51:48 PM UTC-7, The Real Bev wrote:
On 07/05/2016 12:16 PM, Richard Henry wrote:
On Tuesday, July 5, 2016 at 11:56:14 AM UTC-7, wrote:
On Tuesday, 5 July 2016 09:57:33 UTC-7, The Real Bev wrote:

Or, for the mathematically-challenged, multiply or divide by 2.

--
Cheers, Bev

Huh??? 45 degres = 100 % hows that a multiply/divide by 2?

http://www.greenbeltconsulting.com/a...tionships.html


That's all the math some people can handle.


No ****. I'll try to figure out what I was thinking about in a minute
or so. Maybe...


--
Cheers,
Bev
++++++++++++++++++++++++++++++++++++++++++++++++++ +++
"Rats cry when they hear about my life." -- Dilbert

It works some of the time - for 35 degrees, slope is 70 percent.

Just be thankful they weren't trying to measure the angle in radians.
  #9  
Old July 6th 16, 12:31 AM posted to rec.skiing.alpine
[email protected]
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Posts: 123
Default Jeopardy gets slope degree/percent wrong

On Tuesday, 5 July 2016 15:30:16 UTC-7, Richard Henry wrote:
On Tuesday, July 5, 2016 at 2:51:48 PM UTC-7, The Real Bev wrote:
On 07/05/2016 12:16 PM, Richard Henry wrote:
On Tuesday, July 5, 2016 at 11:56:14 AM UTC-7, wrote:
On Tuesday, 5 July 2016 09:57:33 UTC-7, The Real Bev wrote:

Or, for the mathematically-challenged, multiply or divide by 2.

--
Cheers, Bev

Huh??? 45 degres = 100 % hows that a multiply/divide by 2?

http://www.greenbeltconsulting.com/a...tionships.html

That's all the math some people can handle.


No ****. I'll try to figure out what I was thinking about in a minute
or so. Maybe...


--
Cheers,
Bev
++++++++++++++++++++++++++++++++++++++++++++++++++ +++
"Rats cry when they hear about my life." -- Dilbert

It works some of the time - for 35 degrees, slope is 70 percent.

Just be thankful they weren't trying to measure the angle in radians.



Yup, just like the broken clock that's dead-on accurate twice a day. ;-)
  #10  
Old July 6th 16, 03:43 AM posted to rec.skiing.alpine
The Real Bev[_4_]
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Posts: 1,233
Default Jeopardy gets slope degree/percent wrong

On 07/05/2016 03:30 PM, Richard Henry wrote:
On Tuesday, July 5, 2016 at 2:51:48 PM UTC-7, The Real Bev wrote:
On 07/05/2016 12:16 PM, Richard Henry wrote:
On Tuesday, July 5, 2016 at 11:56:14 AM UTC-7, wrote:
On Tuesday, 5 July 2016 09:57:33 UTC-7, The Real Bev wrote:

Or, for the mathematically-challenged, multiply or divide by 2.

--
Cheers, Bev

Huh??? 45 degres = 100 % hows that a multiply/divide by 2?

http://www.greenbeltconsulting.com/a...tionships.html

That's all the math some people can handle.


No ****. I'll try to figure out what I was thinking about in a minute
or so. Maybe...


It works some of the time - for 35 degrees, slope is 70 percent.

Just be thankful they weren't trying to measure the angle in radians.


ROUGHLY half or double. Granted, precision counts for a lot. Still...

--
Cheers, Bev
There are 10 types of people in this world,
those who understand binary and those who don't.


 




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