Jessietorres17941
25.07.2019 •
Mathematics
Write a formula for a two-dimensional vector field which has all vectors parallel to the xx-axis and all vectors on a horizontal line having the same magnitude
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Ответ:
The formula for a two-dimensional vector field will be:
F = F(x,y) = <u(x,y), v(x,y)> = u i + v j;
Where (i,j) are unit vectors in the coordinate directions
To make all vectors parallel to the x-axis
v(x,y)=0
F(x,y) = <u(x,y),0>
To make all vectors on a horizontal line having the same magnitude.
u(x,y) = u(y)
so
F(x,y) = <u(y),0> = u(y) i
Ответ:
Step-by-step explanation:
Let two- dimensional vector field
We have to find the formula for a two-dimensional vector field which has all vectors parallel to the x-axis and all vectors on a horizontal line having the same magnitude.
When all vector parallel to x- axis then
v(x,y)=0
Then, the vector field can be written as
When all vectors on a horizontal line having the same magnitude then
u(x,y)=u(y)
Substitute the values
Then, we get
Ответ:
Lets use the distributive property and to this...
Fist 8×53 might be hard so lets break it to (50×8)+(3×8)
⇒400+24
⇒424
And we still have the 125 whcih we have to multiply with 424
Here again we do it the same way but its more packed with steps.
424×125
⇒[(400×100+400×25)+(20×100+20×25)+(4×100+4×25)]
⇒[(40000+10000)+(2000+500)+(400+100)]
⇒[(50000)+(2500)+(500)]
⇒50000+2500+500
⇒50000+3000
⇒53000