GCPZQ6 Unknown Cache 10-50
Type: Mystery | Size: Regular Regular | Difficulty: 5 out of 5 | Terrain: 2 out of 5
By: macc4 @ | Hide Date: 08/01/2005 | Status: Available
Country: United States | State: Colorado
Coordinates: N39° 49.248 W105° 10.359 | Last updated: 08/30/2019 | Fav points: 2
Dogs  Bicycles  Horses 
 Cache photos

10-50 work sheet.jpg


R-32 copy two-car 10-50, property damage only.
Denver, R-32 westbound Interstate 70 from mile post 260, go ahead.
R-32, this is going to be a two car 10-50 in the intersection of Colorado 93 and U.S. 6
10-4 I’ll be en-route, ETA less than five minutes.
As you can see from the brief explanation above, this is not your ordinary, every day cache. This cache will test your orientation ability to the fullest while teaching you a skill possessed by each of the state troopers that protect the public roadways of the wonderful state of Colorado.
For this cache you will need a few tools to assist you with your search. First, you will need a standard orienteering compass. Next, you will need a scientific calculator that has the ability to derive sin, cosign, and tangent values. If you don’t have a scientific calculator at home, no need to worry. You can work most of the equation without one. Once you reach the part of the equation that requires the calculator, you can go to your local Wal-Mart and work the rest of the equation on one of theirs. Finally, you will need to copy the attached equations to determine the final resting spot of the cache.
The way this cache works is that you determine the speed of vehicle # 1 and vehicle # 2 which will give you the distance and the direction in which to search. Whatever you do, don’t give up on this one too quickly. You can complete this one. I will walk you through it.
Have you ever wondered what Troopers do while they are on the scene of an accident? Well, through a thorough investigation, they determine exactly what happened, why it happened and what measures could have been taken to prevent the accident from occurring. The ultimate goal is to not have that accident happen again. “First in traffic safety.” That is what they say. I will be walking you through a fairly common accident where two vehicles collide in the middle of an intersection. You will not need to respond to the above listed intersection to complete your investigation. I have already obtained all of the information that you will need to plug into your final equation. Once you have the required answers, go to the listed coordinates where you will begin your search.
Okay, let's get on with our investigation. Together, we will determine who was at fault in this accident and how to prevent further accidents from happening. Below is some helpful information to plug into your equation that is on the attached document. Once you have all of the information plugged in, work the equation to determine the speed of both vehicles prior to impact. Once you have your speeds, take the speed of vehicle # 1 and multiply that by five. This will give you the distance from the above listed coordinates that the cache is located. Next, take the speed of vehicle # 2 and multiply that by five. That will give you the degrees in which you need to travel from the above listed coordinates. Are you ready?
Vehicle # 1 was traveling eastbound on U.S. Highway 6. Vehicle # 2 was traveling northbound on Colorado Highway 93. Vehicle # 1 collided broadside with vehicle # 2 at a 90 degree angle. After impact, vehicle # 1 skids off at a 16 degree angle from the point of impact. Vehicle # 2 skids off at a 27 degree angle from the point of impact. Through investigation, you find that vehicle # 1 weighs 2500 lbs and vehicle # 2 weighs 3000 lbs. By measuring the skid marks and using another formula, you find that vehicle # 1 traveled at a speed of 35 mph post impact. Vehicle # 2 was traveling 25 mph post impact. Now, with the information that you are armed with, plug in the numbers, putting vehicle # 1 on an “X axis” and vehicle # 2 on a “Y axis” This will give you pre-collision speeds that you will need to reach your final answers. Have fun, if you need clues, stop by and talk to your local trooper or there are several web sites that have some helpful accident investigation information, finally, you can e-mail the creator of this mess for some helpful assistance.


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 Hints

Stand on the watering hole at the above coordinates to obtain a proper reading with your compass, X degrees, magnetic north.

V1 = the speed of vehicle # 1 prior to impact, V2 = the speed of vehicle # 2 prior to impact, V3 = the speed of vehicle # 1 POST impact, V4 = the speed of vehicle # 2 POST impact, W1 = the weight of vehicle # 1. W2 = the weight of vehicle # 2

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 Logs

13 Logs: Found it 7  Didn't find it 3  Write note 2  Needs Maintenance 1  

Needs Maintenance 06/27/2019 By TTO2
This geocacher reported that there is a problem with this cache.

Found it 06/15/2019 By TTO2
This was a beast to get solved and once at the GZ, we were not sure that we had it right. We hoped for at least the pill bottle throw down for some sort of confirmation, but alas there was none.

So knowing that we had a few days in town we reached out to three previous finders that we know and two came back almost immediately and told us we had it right - almost. Made the corrections and still didn't find a throw-down pill bottle. With that, I add my log and a new container and will add a NM.

Didn't find it 11/22/2018 By robuster91
tough had my solve wrong will try again

Found it 08/26/2017 By jasperdakota
Checked my coords with a previous finder from 3 years ago. Neither the CO nor the finder from a year ago responded to my emails. Left a camoed pill bottle at the base of the closest tree, about 15 ft from my coords.

Write note 04/03/2017 By phil_4_13
Btw, I would recommend bringing a bunch of bright minds and a notepad for the math and such.

Found it 04/02/2016 By phil_4_13
Easy find if you read the directions carefully. It took me a while, but I finally found it
Nice Cache

Write note 03/21/2016 By robuster91
tough puzzle i am trying but may have mess up i am working on it now

Didn't find it 09/29/2014 By AKiteFlier
Last day of a five day, 1800 mile road trip with humboldt flier. Obviously I didn't get the puzzle solved correctly. I never heard from the CO when I inquired about my coords. Lots of work on something I didn't fully understand - pouring rain while we searched what I thought was GZ - that wasn't.

Didn't find it 09/29/2014 By humboldt flier
Dear Cache, !,400 miles for a purple frownie ...GRRRRR, LOL, LOL, LOL. got drenched by the downpours. The nearby bridge has brand new decking ... much to the surprise of two young boys who were braving the elements. Significant downfall in the area as well bank was mega slippery and nearly went into the creek which was flowing VERY FAST. Take care and have a great day. TFT-PUZZLE

Found it 05/27/2014 By CoBiker
Quite the puzzle. TFTC

Found it 05/27/2014 By ecanderson
Output depends upon input, and we had a couple of ways to interpret angles (against original trajectory, against true north, etc.). But our preferred set turned out to be the right ones, though we had to widen the search a bit to nab this one.

If you think you've got coordinates that you like, you might try taking N/S and subtracting 0.002, and taking E/W and subtracting 0.003. The numbers aren't that much different, but it may point you to the cache more quickly.

Found it 05/13/2014 By youkfish
My second attempt at the puzzle and this time it was a bit more clear for some crazy reason. Quick math and the answers made sense. Final location made me question my math, but turned out to be my hunting skills that were off this afternoon. Interesting and challenging puzzle and nice final. This one helps on several challenges, so all the more happy to log it. Thanks!

Found it 02/27/2014 By beartooth72
I was a bit daunted by the math at first, but computers these days can do just about anything. Once I had my answers, I thought that my math couldn't have been accurate...those numbers didn't look like they would translate into anything useful. Once I got my GPSr set up correctly, I was pleasantly surprised how accurate everything was. This one had me using my thinking muscle, and it greatly appreciates the exercise! TFTPC!!!!