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# Is vector any change that disrupts the normal functions?

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## Related Questions

###### Asked in Physics

### What are the tangential and normal components of acceleration?

Well if you are familiar with calculus the projection of
acceleration vector a(t)on to the Tangent unit vector T(t), that is
tangential acceleration. While the projection of acceleration
vector a(t) on to the normal vector is the normal acceleration
vector.
Therefore we know that acceleration is on the same plane as T(t)
and N(t). So component of acceleration for tangent vector is (v dot
a)/ magnitude of v
component of acceleration for normal vector is
sqrt((magnitude of acceleration)^2 - (component of acceleration
for tangent vector)^2)
sorry i can't explain it to you more cause I don't have
mathematical symbols to work with

###### Asked in Math and Arithmetic, Physics, Algebra

### How do you find a normal vector?

A normal vector is a vector that is perpendicular or orthogonal
to another vector. That means the angle between them is 90 degrees
which also means their dot product if zero. I will denote (a,b) to
mean the vector from (0,0) to (a,b) So let' look at the case of a
vector in R2 first. To make it general, call the vector, V=(a,b)
and to find a vector perpendicular to v, i.e a normal vector, which
we call (c,d) we need ac+bd=0 So say (a,b)=(1,0), then (c,d) could
equal (0,1) since their dot product is 0 Now say (a,b)=(1,1) we
need c=-d so there are an infinite number of vectors that work, say
(2,-2) In fact when we had (1,0) we could have pick the vector
(0,100) and it is also normal So there is always an infinite number
of vectors normal to any other vector. We use the term normal
because the vector is perpendicular to a surface. so now we could
find a vector in Rn normal to any other. There is another way to do
this using the cross product. Given two vectors in a plane, their
cross product is a vector normal to that plane. Which one to use?
Depends on the context and sometimes both can be used!

###### Asked in C++ Programming

### What is front functions in c plus plus?

Front functions such as vector::front(), list::front() and
queue::front() return the first object in a container class. Not to
be confused with begin() functions such as vector::begin() which
return an iterator object which is typically used in iterative
functions (loops) to traverse the objects within a container.

###### Asked in Definitions

### What is the definition of orthogonal signal space?

Orthogonal signal space is defined as the set of orthogonal
functions, which are complete.
In orthogonal vector space any vector can be represented by
orthogonal vectors provided they are complete.Thus, in similar
manner any signal can be represented by a set of orthogonal
functions which are complete.