1+1=1??? Does anyone know how?

Question

Ive heard in one of my physics lectures that 1+1 can equal 1!!!? Does anyone know if this is true or how its true??? please help! And i realise that u could put it across that 1 mound of sand plus another mound of sand = 1 mound of sand but i think it can be solved mathematically and properly! Please please help!!! :)

Answer 1

sigh, all of your answers are incorrect so far. 1 + 1 = 2 is generally a answer considered through vector addition in only one dimension (the x axis, for example). the resultant vector magnitude is 2, therefore 1 + 1 = 2 represents the largest possible magnitude of two vectors added together.

HOWEVER, in vector addition in two or three dimensions (ie, on a graph) two vectors of any magnitude can be added up in diferrent directional combinations. In this situation, 1 + 1 could be equal to any number between 0 and 2.

basically, if you start at point a, walk one mile east, turn around and walk one mile west, tada, one plus one equals zero. if you walk both miles directly east, one plus one equals two. now, if you walk at an angle north east for one mile, then at an angle south east for one mile, it is entirely possible for you to proceed only one mile east. in that scenario, 1 + 1 = 1. the trick is to stop thinking of addition as solely being in one direction. in physics, there is no such thing as subtraction, but rather addition of vectors proceeding in a different direction.

Answer 2

1+1 = 2

Answer 3

Not really.

I can assure you that 1+1 never equals 1. You should probably take a different physics class...or go to a new school.

Yes, it is true that when you put two mounds of sand together, you get another mound of sand. But that is not a correct analogy.

All that really means is that, when you put two numbers together, the result is one number; it does not mean that the result is actually equal to one.

If your analogy was correct in reference to the claim you are investigating, it would say: "When you put two mounds of equal size together, the result is a single mound of sand that is the same size as one of the mounds you started with."
And, obviously, that's not true.

You cannot solve anything properly and get 1+1=1. You'll see some proofs circulating the internet to that effect, or something else stupid like 1=0. But all of these have a common mistake: they involve division by zero (even though zero is often replaced by a variable). Hence, they are illegitimate.

Answer 4

Set 1 + Set 1 = Set 1 if all the values in Set 1 = 0.

The logical 1 +1 = 1 is false, in binary in a computer, 1 +1 = 0 and then carried.

1 AND 1 does = 1 though
1 OR 1 = 1 also

Answer 5

In Einsteins relativity theory adding two velocities will give you less than double the initial velocity. ie 1+1<2. As you approach the speed of light 1+1 will approach 1

Answer 6

1 + 1 = 1 is possible under:

(a) Different units

1 (fifty dollar bill) + 1 (fifty dollar bill) = 1 (one-hundred dollar bill)

1 (man) + 1 (woman) = 1 (couple)


(b) Infinity concept

1 (infinity) + 1 (infinity) = 1 (infinity)


(c) Certain Systems (e.g. OR Gate, Logic Table)

1 + 1 = 1

1 (Truth) + 1 (Truth) = 1 (Whole Truth)

You will probably be able to think of other cases. However, in mathematical addition, 1 + 1 = 2 by our definition of addition and our definition of the numbers 1 and 2.

Answer 7

1+1 never equals 1

Answer 8

not really...unless

1 bit + 1 bit = 1 quarter
12.5¢ + 12.5¢ = 25¢

1 nickle + 1 nickle = 1 dime
5¢ + 5¢ = 10¢

duh!

Answer 9

mathematically, 1+1=2.

1+1=1 is a physics concept. it only happens when you lose something. (energy, for example). the 1+1=1 of you physics teacher mustn't be taken seriously: it's an image for something else.

Answer 10

We are not talking vectors here (OR theology!!!?). In simple arithmetic 1+1 = 2, any other explanation is some sort of bizarre analogy...not arithmetic.