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Do Leo's use.....

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Cat_D says ...



Sorry Kiddo, I was lucky to get out of H.S. algerbra and didn't have to take it in college. I am one of the math hating LEO's BrooklynHillsCop was talking about. I was going to have to wait for my kid to get home to ask him what the heck you were talking about !  Thanks for the explanation Frank!!!!!



 


BUMP speaking greek as far as I know


-Fallow Your Bliss

(It’s a play on words…not a spelling error)

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It's official...Frank was the inspiration for the TV show, "Numbers".


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BigNTS says ...



It's official...Frank was the inspiration for the TV show, "Numbers".



BUMP NTS


-Fallow Your Bliss

(It’s a play on words…not a spelling error)

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dfreeman454 says ...



Cat_D says ...



Sorry Kiddo, I was lucky to get out of H.S. algerbra and didn't have to take it in college. I am one of the math hating LEO's BrooklynHillsCop was talking about. I was going to have to wait for my kid to get home to ask him what the heck you were talking about !  Thanks for the explanation Frank!!!!!



 


BUMP speaking greek as far as I know



Excellent--Mr. Freeman has been paying attention, class. The Greeks did indeed contribute a lot to our knowledge on the subject. Give that man a hyperbola...er, I mean a hyperbole.




Bessie Braddock: “Sir, you are drunk.”
Churchill: “Madam, you are ugly. In the morning, I shall be sober.”

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LOL that was funny


-Fallow Your Bliss

(It’s a play on words…not a spelling error)

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In a rarity for me, i will get back on topic, for us older officers, who used a flashlight with an incandescent bulb, they all had parabolic reflectors behind and around the bulb, with the bulb at or near the focal point, to give us a beam, and at least some of the LED lights use parabolic reflectors as well.  The adjustable beam flashlights move the light source back and forth through the focal point of the parabolic reflector to broaden or narrow the beam, a 3-D application of the parabola.


This also applies to patrol car headlights and spotlights.

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Casscocop says ...



In a rarity for me, i will get back on topic, for us older officers, who used a flashlight with an incandescent bulb, they all had parabolic reflectors behind and around the bulb, with the bulb at or near the focal point, to give us a beam, and at least some of the LED lights use parabolic reflectors as well.  The adjustable beam flashlights move the light source back and froth through the focal point of the parabolic reflector to broaden or narrow the beam, a 3-D application of the parabola.


This also applies to patrol car headlights and spotlights.



Exactly... Textbook sample of a Parabola in the branch of Physics known as Optics.


Here are some Parabolas in Projectile Range:


 


 

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And, depending on the type, most of the older light bars had parabolic reflectors that rotated.

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BrooklynHillsCop says ...



Casscocop says ...



In a rarity for me, i will get back on topic, for us older officers, who used a flashlight with an incandescent bulb, they all had parabolic reflectors behind and around the bulb, with the bulb at or near the focal point, to give us a beam, and at least some of the LED lights use parabolic reflectors as well.  The adjustable beam flashlights move the light source back and froth through the focal point of the parabolic reflector to broaden or narrow the beam, a 3-D application of the parabola.


This also applies to patrol car headlights and spotlights.



Exactly... Textbook sample of a Parabola in the branch of Physics known as Optics.


Here are some Parabolas in Projectile Range:


 


 


 


hey, Frank, do i get an "A" for participation and application of knowledge.

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Wow thanks for all the math knowledge and great comments. I didn't think it would even get 10 comments. But all this stuff is starting to help me understand the various ways that I can apply my math to real world


" The things you want are always possible: it is just that the way to get them is not always apparent. The onle real obstacle in your path to fulfilling life is you, and that can be a considerable obstacle because you carry the baggage of insecurities and past experiance" Les Brown

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liljj says ...



Wow thanks for all the math knowledge and great comments. I didn't think it would even get 10 comments. But all this stuff is starting to help me understand the various ways that I can apply my math to real world



You will find that traffic accident investigaors have a lot of use for mathematics.

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Casscocop says ...



liljj says ...



Wow thanks for all the math knowledge and great comments. I didn't think it would even get 10 comments. But all this stuff is starting to help me understand the various ways that I can apply my math to real world



You will find that traffic accident investigaors have a lot of use for mathematics.



I told my high school algebra teacher that math had no practical purpose in the real world. Little did I know that about 10 years later I would get into Crash Investigations. I use math on every Fatality crash I work. I have only been through the Basic Traffic Homicide Course. The guys that do Reconstruction work use even more math than I do. BTW, I ran into my old algebra teacher about 3 years ago and I had to admit that I was wrong...which was almost painful for me.


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Well today I had to admitt to my teacher that I was  wrong and that cops do use math some more complex than others but all in all it is used. I will get over the math jitters eventually. 


" The things you want are always possible: it is just that the way to get them is not always apparent. The onle real obstacle in your path to fulfilling life is you, and that can be a considerable obstacle because you carry the baggage of insecurities and past experiance" Les Brown

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My degree is in journalism.  I hate math, but I have always wished that wasn't the case.  I wanted to like math.  I wanted to be good at math.  As it is, I would prefer to write a 500-word essay rather than do a few math problems.  My dad is a math guy and I guess I just didn't inherit that trait. 


 


By the way....Frank, I'm jealous of your math knowledge!!!!


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Casscocop says ...



BrooklynHillsCop says ...



Casscocop says ...



In a rarity for me, i will get back on topic, for us older officers, who used a flashlight with an incandescent bulb, they all had parabolic reflectors behind and around the bulb, with the bulb at or near the focal point, to give us a beam, and at least some of the LED lights use parabolic reflectors as well.  The adjustable beam flashlights move the light source back and froth through the focal point of the parabolic reflector to broaden or narrow the beam, a 3-D application of the parabola.


This also applies to patrol car headlights and spotlights.



Exactly... Textbook sample of a Parabola in the branch of Physics known as Optics.


Here are some Parabolas in Projectile Range:


 


 


 


hey, Frank, do i get an "A" for participation and application of knowledge.



Ross, you get an A+ regardless brother...!!!

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BSL1123 says ...



Parawhat?


I have a Pair of Handcuffs. Is that close?


Get it? Para-Pair of



Dude.........you're a dork.........


“IF A MAN DOES HIS BEST, WHAT ELSE IS THERE?”
~General George S. Patton (1895-1945)
*YES, you may call me Cozy Squirrel....*
>Cha togar m' fhearg gun dìoladh<

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tstanfill63 says ...



Thanks alot for the algebra stuff, now I am going to have nighmares tonight.   Thanks a hole heap. 



..............same here...........


“IF A MAN DOES HIS BEST, WHAT ELSE IS THERE?”
~General George S. Patton (1895-1945)
*YES, you may call me Cozy Squirrel....*
>Cha togar m' fhearg gun dìoladh<

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I am not a math lover... don't hate it either.  I managed to get through high school algebra.  Thanks Frank now I'm thinking of taking some math courses.  LOL


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The extent of my need for math is determining formulas for excel sheets on an as needed basis and determining the score and percentage for a firearms qual.  I guess there is math for range estimation using Mil Dot but the Mil Dot master card elminates the need for that


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OK I admit I use math at work, simple addition, subtraction and multiplication, that is  IT !!!!!


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BrooklynHillsCop says ...



Cat_D says ...



Sorry Kiddo, I was lucky to get out of H.S. algerbra and didn't have to take it in college. I am one of the math hating LEO's BrooklynHillsCop was talking about. I was going to have to wait for my kid to get home to ask him what the heck you were talking about !  Thanks for the explanation Frank!!!!!



LOL.... My pleasure....


Hey, for those that may want to dig a little deeper, here's a nice video about the Conic Sections:


 


WHAT??? Algebra.........................don't really use it much myself...........but simple math - now that's a different story,    LIKE simple addition..............................1 to the head and 2 to the chest does not equal three - IT EQUALS DRT.


It is what it is.............and.........these things too shall pass.

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AMEN KLAMMY AMEN !!!!


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my teacher won't let me live it down since I showed her this post on my phone. I wish I wouldn't of but it is better to tell the truth and try to start learning how to do this stuff than wait til i become a cop to learn it. now I can have alot more practice at it. But thanks for all the help




" The things you want are always possible: it is just that the way to get them is not always apparent. The onle real obstacle in your path to fulfilling life is you, and that can be a considerable obstacle because you carry the baggage of insecurities and past experiance" Les Brown

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Welcome to ranks kid ! This can be your 1st lesson with dealing with folk that laugh at you and make fun. It never changes. Now I admit I too would have laughed and told you I told you so, but then you move on and let it lie, you don't keep on and on.  You did the right thing by showing her that you went out looking for the answer.  That shows integrity. Show this post to your teacher !!!l Oh, and I see your in JROTC, my son also did that in HS, it's good for you, hang in there !!!


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Cat_D says ...



Welcome to ranks kid ! This can be your 1st lesson with dealing with folk that laugh at you and make fun. It never changes. Now I admit I too would have laughed and told you I told you so, but then you move on and let it lie, you don't keep on and on.  You did the right thing by showing her that you went out looking for the answer.  That shows integrity. Show this post to your teacher !!!l Oh, and I see your in JROTC, my son also did that in HS, it's good for you, hang in there !!!



lol well I showed her, she finally moved on and yes Ma'am I am in JROTC I love every minute of the class it has actually helped me alot with my communication skills and teamwork and what not. My JROTC instructor is a Cop he has also taught me alot. With out the help of JROTC I would probally be failing school. I would recommend the course to any one in high school. I have also talked to serveral recrutiers with the national guard. I will a cop soon enough but untill then I am not going to rush things. Enjoy the years while they last so to speak.


" The things you want are always possible: it is just that the way to get them is not always apparent. The onle real obstacle in your path to fulfilling life is you, and that can be a considerable obstacle because you carry the baggage of insecurities and past experiance" Les Brown

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For some reason the teacher didn't appreciate my response...

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arroyol says ...



For some reason the teacher didn't appreciate my response...



I was lucky enough to have had an algebra teacher who still had a sense of humor and wit. I know he would smile, start talking to you about it, trick you into actually solving the problem, and leave you with the realization that it was actually fun. Weird, I know.




Bessie Braddock: “Sir, you are drunk.”
Churchill: “Madam, you are ugly. In the morning, I shall be sober.”

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arroyol says ...



For some reason the teacher didn't appreciate my response...



LMAO....


OK.. In the name of "sense of humor" and just plain fun... Let's actually solve the problem:


That's the Pitagorean Theorem... Simple Junior High Math... The Theorem states that H^2 = a^2 + b^2. (The Square of the Hypotenuse equals the Sum of the Squares of the sides in Triagle Rectangle)


In this case:


X^2 = a^2 + b^2 = 4^2 + 3^2 = 16 + 9 = 25   => X^2 = Square Root of 25 = 5

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HU? YEAH !!! WHAT FRANK SAID !!! HAHAHAHAHAHAHAHA


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BrooklynHillsCop says ...



arroyol says ...



For some reason the teacher didn't appreciate my response...



LMAO....


OK.. In the name of "sense of humor" and just plain fun... Let's actually solve the problem:


That's the Pitagorean Theorem... Simple Junior High Math... The Theorem states that H^2 = a^2 + b^2. (The Square of the Hypotenuse equals the Sum of the Squares of the sides in Triagle Rectangle)


In this case:


X^2 = a^2 + b^2 = 4^2 + 3^2 = 16 + 9 = 25   => X^2 = Square Root of 25 = 5



I learned this from the scarecrow years ago in "The Wizard of Oz".

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