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· @tacticalcadaver ·
Centripetal Acceleration vs Centripetal Force
Is there a difference between centripetal acceleration and centripetal force, and if so, what is it? If we know the mass of an object moving along a curved path, how can we calculate the centripetal acceleration and/or force?

https://www.youtube.com/watch?v=pZvEAgdLccY

Suppose we have an object with a mass of 10kg, which is fixed to a rotating shaft by a rope 10m in length. The shaft is rotating at 60rpm. What is the centripetal force?

First, we need to know how centripetal force is calculated. Like any other force, it is equal to mass (m) multiplied by acceleration (a)

<center>![Eqn_Force.gif](https://steemitimages.com/DQmRN6WdmaT5JEHtxm2JSu4JCx32dbkcT1fa213NJ91Wvbz/Eqn_Force.gif)</center>

We know the mass of the object; however, we do not know the acceleration. Not to fear, physics and math come to the rescue with the following equation to find acceleration

<center>![Eqn_Acceleration_Centripetal.gif](https://steemitimages.com/DQmWLM96qf7TymYLumr8TAvGGLfFgnvb4HMjpNSwGW2Qhxe/Eqn_Acceleration_Centripetal
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vote your-acct "tacticalcadaver" "centripetal-acceleration-vs-centripetal-force" 100 true
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· @lovlu ·
$0.03
I remember the earlier words
![mathdibosh.jpg](https://ipfs.busy.org/ipfs/QmQ6jz58i3sb8rc8NTju8aAfrdrAVxh79CxLsZm8mfhbnb)
👍  , , ,
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· @mctiller ·
$4.10
Charlotte Morgan and the Lemonade Stand--Chapter 17--Where's Brian
<html>
<h2>&nbsp;&nbsp;This is my next book. Charlotte Morgan and the Lemonade Stand.&nbsp;&nbsp;</h2>
<p>It is still in the work-in-progress phase. The cover I am posting here is a temp cover derived from the first book. &nbsp;But I like sharing my work here first.&nbsp;&nbsp;The book is leveled for third grade readers and up.I am using the <a href="https://steemit.com/trending/steemiteducation">#steemiteducation</a> tag because the book is about using math and earning money. &nbsp;&nbsp;To read what has happened earlier click the link for each individual chapter for<a href="https://steemit.com/writing/@mctiller/new-book-in-progress-charlotte-morgan-and-the-lemonade-stand-thee-number-investigators-2-chapter-1-my-mom-calls-me-charlotte"> chapter 1. </a><a href="https://steemit.com/writing/@mctiller/charlotte-morgan-and-the-lemonade-stand-chapter-2-usd12-on-one-package-of-cups">Chapter 2, Chapter 3, </a><a href="https://steemit.com/writing/@mctiller/charlotte-morgan-and-the-lemonade-stand-chapter-4-we-want-to-
👍  , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,
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vote your-acct "mctiller" "charlotte-morgan-and-the-lemonade-stand-chapter-17-where-s-brian" 100 true
post_comment your-acct "re-mctiller-charlotte-morgan-and-the-lemonade-stand-chapter-17-where-s-brian-20180523t090918750z" "mctiller" "charlotte-morgan-and-the-lemonade-stand-chapter-17-where-s-brian" "" "your reply.." "{}" true

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· @rentmoney · (edited)
$0.15
SBD Winner + New Game !
<center>All the SBD generated by this post can be YOURS !</center>

<center>https://steemitimages.com/0x0/https://lj.libraryjournal.com/wp-content/uploads/2014/05/ljx140501webDataDrivenB.jpg</center><center>[Free Crypto For Task Done On Steemit](https://steemit.com/newbiegames/@rentmoney/4bzdi8-free-crypto-for-small-task-done-on-steemit)</center>

@toddcurry has won last weeks numbers game. Last weeks payout was $0.07 SBD and I will be sending it to you directly after creating this post. No milestone numbers were reached last week. Last week we ended at 443 so this week we start at 444. ( Hint : Its highly likely we hit a milestone number this week )

# A reminder of the rules 

Each time we reach a milestone number I will reward the steemian who entered the milestone number into the game with Bonus SBD. Every game will not reach a milestone. Milestone numbers will be kept secret and only will be announced after they have been reached. Milestone number payouts are random amounts of my choosing.

- The numbers
👍  , , , , , , , , , , , ,
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vote your-acct "rentmoney" "sbd-winner-new-game" 100 true
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· @goldfashioned · (edited)
$12.95
A Gold Three Is A Magic Number
![](https://steemitimages.com/DQmd9RNwmp3QzkywNP1mnQWmpiVdiLoZ2EnNqBj5Ayo5DtZ/image.png)

A classic jam by Bob Dorough from 1973:
https://www.youtube.com/watch?v=aU4pyiB-kq0
The past, present and future?

The heart, brain and body?

It takes 3 wheels to make a tricycle?

These all sound pretty important. But how long has the number 3 been around?

The Pythagoreans (their teachings influenced by mathematics and mysticism, originating in 6th century B.C.) taught that 3 was the first true number, hence the name Pythagorean theorem:

![](https://steemitimages.com/DQmXyMf9zB68d2ixau2Xt8YQPWQbHE7WpGHYfiEH96e32AP/image.png)
http://www.justscience.in

"Every triangle has 3 corners, every triangle has 3 sides. No more no less."

Another concept that needs 3 is the Borromean rings:

![](https://steemitimages.com/DQmUyRgWKr1dSb8BYaja2vxV2VimKTTC7qSWhz41wmJD8tC/image.png)
https://math.stackexchange.com

These were used in a 13th century manuscript as a symbol of the Christian Trinity (Father, Son and Holy Spirit)

![](ht
👍  , , , , ,
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vote your-acct "goldfashioned" "a-gold-three-is-a-magic-number" 100 true
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· @mathe2go ·
$0.00
All relations on a set | binary and homogeneous | math for CS
<center><a href='https://d.tube/#!/v/mathe2go/c20v32c9'><img src='https://ipfs.io/ipfs/QmRmB8B5KVHr2YtMZyaXgjRyQD7ZVN51pcmbjUixvzjmBS'></a></center><hr>

Feedback is welcome :)

mathe2go are 2 cs students, that like to share some of their math-solutions to the world.

With <3 from Germany.

<hr><a href='https://d.tube/#!/v/mathe2go/c20v32c9'> ▶️ DTube</a><br /><a href='https://ipfs.io/ipfs/QmQsKcoR6rRyoGYSsEVyHDmPJAW6zFTC7ABRwJNPnbyqNh'> ▶️ IPFS</a>
👍  
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vote your-acct "mathe2go" "c20v32c9" 100 true
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· @jwolf ·
$10.26
Your daily tests | Ep. 9.
Here's a real problem of 5th grade math that many adults have not solved.

<center>![Fotolia_102210019_S.jpg](https://steemitimages.com/DQmTAZzdwkmwGRFuNG2qdgMTQhKvZcXTHqkfNY8tTpZFgCu/Fotolia_102210019_S.jpg)</center>[source](https://goo.gl/images/uqgtvf)

In a bus there are 7 girls.
Each has 7 backpacks.
In each backpack there are 7 cats.
Each cat has 7 small kittens.

**Question: How many legs are there in the bus?**

(there is no "cool" answer like "the bus does not have legs")

----

**Answer**

Number of cats per girl: 392
Number of cats at 7 girls: 2744
Total Cat Feet: 10976
Total Feet with Girls included (14): 10990

#### What's the answer you thought at?
👍  , , , , , , , , , , , , , , , , , , , , , ,
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vote your-acct "jwolf" "your-daily-tests-or-ep-9" 100 true
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· @mctiller ·
$13.34
Charlotte Morgan and the Lemonade Stand--Chapter 16--No One is Going to Go to Your Stand
<html>
<h2>&nbsp;&nbsp;&nbsp;&nbsp;This is my next book. Charlotte Morgan and the Lemonade Stand.&nbsp;&nbsp;</h2>
<p>It is still in the work-in-progress phase. The cover I am posting here is a temp cover derived from the first book. &nbsp;But I like sharing my work here first.&nbsp;&nbsp;The book is leveled for third grade readers and up.</p>
<p>I am using the <a href="https://steemit.com/trending/steemiteducation">#steemiteducation</a> tag because the book is about using math and earning money. &nbsp;&nbsp;To read what has happened earlier click the link for each individual chapter for<a href="https://steemit.com/writing/@mctiller/new-book-in-progress-charlotte-morgan-and-the-lemonade-stand-thee-number-investigators-2-chapter-1-my-mom-calls-me-charlotte"> chapter 1. </a><a href="https://steemit.com/writing/@mctiller/charlotte-morgan-and-the-lemonade-stand-chapter-2-usd12-on-one-package-of-cups">Chapter 2, Chapter 3, </a><a href="https://steemit.com/writing/@mctiller/charlotte-morgan-and-the-lemonade-stand-c
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vote your-acct "mctiller" "charlotte-morgan-and-the-lemonade-stand-chapter-16-no-one-is-going-to-go-to-your-stand" 100 true
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· @greer184 ·
$1.23
Block 220,750,000
So I guess I find myself going deeper and deeper into a rabbit hole. When life gives you rocks and you really want lemonade, I guess you could either complain or discover where lemons come from. I'm on a journey to discover where those lemons come.

<center>
![cobble-3397166_640.jpg](https://steemitimages.com/DQmaYf5wo4cMUWcB33AMevgph9DKEvaYE525JhZuJccWdHS/cobble-3397166_640.jpg)
<h6>[No lemons in sight](https://pixabay.com/en/cobble-cobblestone-stone-pavement-3397166/)</h6>
</center>

I want accurate, useful financial data from the blockchain for several reasons. I won't go into those reasons in detail, but part of it involves performing a "civic duty", part of it is for future convenience, and part of it is to provide fellow Steemians a means of easily accessing that data. All I wanted to do was write a simple application, but the chain wasn't going to let me off so easily.

For now, I'm in search of the magical equations that make everything behind the scenes work. Any breakthroughs or generally interestin
👍  , , , , ,
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vote your-acct "greer184" "block-220-750-000" 100 true
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· @analealsuarez · (edited)
$5.40
Forma y fondo de los objetos matemáticos/ El número e y el interés compuesto
![El número e.jpg](https://steemitimages.com/DQmaGu51A6mVoBVoBJcYYuRVTpT1qQgpicyoiTwDbmDcinJ/El%20n%C3%BAmero%20e.jpg)
Las primeras referencias sobre el número ***e*** se encuentran  en los trabajos de John Napier publicados en 1618. En el desarrollo de sus trabajos sobre logaritmos, Napier usa como apéndice unas tablas que se creen fueron elaboradas por el ministro anglicano William Oughtred (1574-1660), éste había dedicado parte de su vida a la matemática; y en esas tablas había usado una constante para calcular los logaritmos; esa constante, hoy es conocida como **La constante de Napier**, es la que conocemos como el número ***e***.

<center>![Oughtred](https://upload.wikimedia.org/wikipedia/commons/thumb/e/ec/Wenceslas_Hollar_-_William_Oughtred.jpg/393px-Wenceslas_Hollar_-_William_Oughtred.jpg)</center>
<center>[Fuente](https://commons.wikimedia.org/wiki/File:Wenceslas_Hollar_-_William_Oughtred.jpg)</center>

John Napier (1550-1617) fue un matemático escocés cuyo mayor mérito fue el de definir 
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· @chromacelestial · (edited)
$0.00
60 second 3 spiral clock
https://s9.postimg.cc/7wnl8m7r3/clock_Seconds_Spiral.gif

On a regular clock, 1 second equals 5 degrees, and  1 rotation  equals 1 minute.
On this spiral clock, 1 second equals 15 degrees, and  3 rotations equals 1 minute.

Also on this spiral clock:

https://s9.postimg.cc/41k75llvz/clock_Seconds_Spiral_circles.gif

Each second moves 1 increment outwards in equally spaced concentric circles.
So that second 20 is also 20 circles from the center, 40 at 40, etc..

Purple = 0 to 180 degrees - 0 to 10 seconds
Blue = 180 to 360 degrees  - 10 to 20 seconds
Green = 360 to 540 degrees  - 20 to 30 seconds
Yellow = 540 to 720 degrees  - 30 to 40 seconds
Orange = 720 to 900 degrees  - 40 to 50 seconds
Red = 900 to 1080 degrees  - 50 to 60 seconds

If the second hand on this clock spins 3 times as fast, does time move faster with this clock?

- Chroma Crypto
Year 2, Mars 12, Orangeday
👍  ,
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vote your-acct "chromacelestial" "60-second-3-spiral-clock" 100 true
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· @juancmz · (edited)
$0.02
Combinations and Newton's Binomial
<div class= "text-justify">

_**Hello friends of steemit**_ 

For this opportunity I will talk about the combinatorial numbers, in my previous post made several days ago explain how to arrive at the combination expression, starting from the meaning of the variations and permutation, denoted as follows:

<center>![](https://steemitimages.com/DQmQw471HAzVLrfQYVr9LffqPdi7V5Sv3vEj4LNVhQffugR/image.png)</center>

Because of its origin, it is usually called combinatorial numbers and also binomial coefficients, because they have special importance in the development of the powers of the form **(a + b)<sup> m </sup>**, to represent them Euler used the symbol https://steemitimages.com/DQmY5cLhthiD9QQAsPH9LNePF2nFjMVzdWRthJacpPo6iXJ/image.png, but nowadays the notation https://steemitimages.com/DQmeXeEzTUSSzVvYbbFSVftM6EGwNjNyh1wmKUXtHgARkjR/image.png is more frequent, which leaves us by definition:

<center>![](https://steemitimages.com/DQmY9Rtg4UiNoDpj1UVtwUT7gFK5aidMtoAkYSP5brTABAP/image.png)</center>

Some fundamen
👍  , , , , ,
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· @clumsysilverdad ·
$10.75
100 billion; a number of significance
You ever find that some numbers just keep reappearing or seem to have a special significance?  For me 100 billion, or 100,000,000,000, is one of those curious numbers.  100 billion is approximately the number of stars in our galaxy.  100 billion is also the estimated number of entire galaxies in our universe.  And just the other day I was reminded that the estimate of the total number of human beings ever to live, breathe, and walk on this planet is also; 100 billion.  100 billion is also the number of bacteria (cfus or colony forming units) in many popular probiotic supplements.   ... and now richest person in the world?  $100 billion  ... possible number of neurons in brain?  100 billion?

 https://i.ytimg.com/vi/wfBVFP_ap-o/maxresdefault.jpg

100 billion is an interesting number because it is hugely large, but not absurdly large such as a trillion, quadrillion or such scopes that are basically beyond our comprehension.  

Anyone else got a 100 billion reference?

 

Peace in Numbers /// @ClumsySilverDad


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· @fabio2614 · (edited)
$0.74
Problem Solving Made Easy (8th Grade)#2: How to find the slope of a line?
<center>"Solving math problems the easier way is intended to help students discover that learning math is easy. Be inspired and motivated with the hope it can sway them from having neutral opinions about math to liking it."</center>

Hello friends. This math post discusses the steps on how to find the slope of the line that passes through the given point. If there shall be any novelty in this post, it will be in the manner in which the content is presented. Many textbooks treat some of these relationships as a simple mathematical fact of life. At the teachable moment, it’s nice to be able to give a curious student a straightforward explanation whenever needed.

>By the way, this post is likely to be understood by a reader who has at least an 8th-grade education (age 13-14).

<h4>What is a slope?</h4>
 Relating this to real life, a ladder, for example, is constructed to give people access to go up to another level of the building. Suppose there are two ladders to choose your way up, which ladder is easier to
👍  , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,
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· @ogutierrez · (edited)
$0.12
EL humor en los números trae sus recompensas
<center>Los números matemáticos y todos los problemas que se derivan de ellos, pueden ser a veces un poco incomprensible. Aplicar en nuestro estudios un poco de humor, relaja el proceso de aprendizaje y tendemos a comprender un poco mas. Si sientes que lo que estas estudiando es complicado, te causa sueño o te desmotiva, búscale la vuelta con humor y veras que sera mas fácil el contenido para ti.

</br>

https://i.pinimg.com/originals/46/fd/9c/46fd9c569c5f35286b397178b40f3441.jpg
[Fuente](https://www.pinterest.es/pin/443886107008467523/)</center>
👍  , ,
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· @motaleb23 ·
know how many people are knowledgeable.
![PicsArt_05-21-04.16.00.png](https://steemitimages.com/DQmWxwas9e5jpmD9Ta7fwqQuTxMUenMqsctc7eRjhKkbtNQ/PicsArt_05-21-04.16.00.png)
### Now I am Explanation Here

Given,
a = 0, b = 0
Then, (a-b) / (a-b)
= (0-0) / (0-0)
= (5-5) / (5-5) [0 = 5]
= (5-5 )² / (5-5 )² [class]
= (5 + 5) (5-5) / 5 (5-5)
= (5 + 5) / 5
= 10/5
= 2 (verified)
Notes: 0 undefined So, it's not real.
👍  
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vote your-acct "motaleb23" "know-how-many-people-are-knowledgeable" 100 true
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· @sky.nikolas20 · (edited)
$3.49
Quiz Contest # 07
Quiz Contest and win 0.10 sbd by simple math solution.

Question: What number will sit in empty space?

Rules
---------
   01. Resteem and upvote this post.
  02. Write Your Answer in comment.
  03. If correct answer is more than one.. then winner (only one) will be select by Lottery.

![math quiz.jpg](https://gateway.ipfs.io/ipfs/QmXP23fNnegDqM1cZJtoDjXwsucYkHA45u7BoiCC3YvxMt)

Participate Quiz Contest and win 0.10 sbd. You will earn 0.10 SBD and offer is valid for 7 days.
thanks.
.
.
.
.
.

source: pinterest
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· @juancmz ·
$0.34
Probabilidades: Aspectos elementales
<div class= "text-justify">

_**Hola  a todos amigos lectores de steemit**_

Es de  total conocimiento que en hoy  día, todo tiende  a estar etiquetado desde   diferentes  perspectivas, el  análisis  de     todo  los  objetos orgánicos e inorgánicos  incluyendo  los fenómenos naturales en conjunto, son  objetivos de estudios  para su posterior  divulgación y    posición dentro de nuestro  sistema  intelectual. Una de las herramientas  y quizás la mas importante para entender  estas investigaciones   son los **números**,  las medidas  y cálculos  aplicados por  el método científico  especifican  los resultados  que  son utilizados  en todas las áreas   como la **industria,  biología, agricultura, tecnología, ciencias sociales y económicas**  todos  estos sectores  se manejan  por medio del lenguaje numérico. 

 El afán  es tal  que incluso se le asigna  números  a los posibles acontecimientos   dentro  del marco de  **eventos deportivos, seguros, pronósticos de clima, tendencia en valores d
👍  , , , , , , , ,
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· @thabiggdogg ·
$0.04
HAEJIN CAN'T DO MATH
<center>*NOTE: I had to repost this due to malicious flagging from Haejin.*
![bitmoji-20180513084459.png](https://gateway.ipfs.io/ipfs/QmcMkAw934xxtqHLsLuwHXU26o1VQrJZpLJMQw98xqCvC1)</center>
It cost Haejin $0.99 SBD for each 1% downvote he gives us. So each time he flags a $0.03 SBD post, that is $0.96 SBD going back into the steem blockchain. So in order to defeat the dumb donkey, only upvote post to $0.03 SBD. And make many more post. Use Busy.org to upvote your post to $0.03 or $0.02 if others will upvote you to $0.03. There is no need to upvote it higher if he is flagging your post.

Just make a lot of post about him & have that moron keep wasting those 1% flags all day long. Then later if someone happens to come along & upvote you higher than his 1% flag, that dumb donkey will come back & reflag you.

That means he burned the 1% $0.99 flag & now is paying again to reflag you. He is a really stupid donkey. He gets really upset when he has to reflag post again. So keep the amounts low, then upvote them hi
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vote your-acct "thabiggdogg" "5qq8v8-haejin-can-t-do-math" 100 true
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· @guada1 · (edited)
$0.42
Tips and Tricks to Teach Your Children Numbers
*There are many easy ways to teach numbers to your child. When I present the numbers to n, I often ask him about his age or phone number as a way to show him the numbers.*
<center>![](https://steemitimages.com/DQmSaPg3aSkYdzxtSPrGcWoA36rTECSQD1198dqgsxgG2QE/image.png)
[Source](https://www.ibudanbalita.com/artikel/3-cara-mudah-mengajarkan-si-kecil-mengenal-angka)</center>

### How? You can try it this way:

• *Try to teach him to know the numbers by asking the child to remember his address and house number. For example, when asking "Where do you live?" Then, ask him to answer the address along with his house number.*

*You can also ask him to respond by showing a number with his fingers on the numbers in question.*
<center>https://www.bbmundo.com/wp-content/uploads/2017/01/frases-que-dicen-las-mamas-a-sus-hijos.jpg
[Source](https://www.bbmundo.com/mamas-papas/4-frases-que-toda-mama-dice-y-el-efecto-en-sus-hijos/)</center>

• *Teach him to memorize phone numbers for the house or phone numbers for Mother and
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vote details (35)

vote your-acct "guada1" "3-simple-ways-to-teach-your-child-to-know-the-numbers" 100 true
post_comment your-acct "re-guada1-3-simple-ways-to-teach-your-child-to-know-the-numbers-20180523t090918806z" "guada1" "3-simple-ways-to-teach-your-child-to-know-the-numbers" "" "your reply.." "{}" true


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