Vectors and scalars ________ are-are not the same

Mathematics

2 answers:

givi [52]3 years ago

7 0

Vectors and scalars are not the same quantity

Zina [86]3 years ago

5 0

Answer:

quantities

Step-by-step explanation:

Vectors and scalars quantities are not the same quantities.

The quantity which is independent of direction is called scalars quantity. It has only one characteristics. It depends on magnitude only. It is one dimensional measurement of a quantity. Length, volume, speed, area, temperature can be measured in terms of only magnitude and are scalars quantities.

Vectors quantity has more than one dimensional quantities. It can be measured in terms of both magnitude and directions. Displacement, velocity, acceleration, lift, drag force are all vector quantities.

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liberstina [14]

The second one is correct

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4 years ago

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Sedaia [141]

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3 years ago

Find an equation of the plane consisting of all points that are equidistant from (-3, 5, -4) and (-5, 0, 4), and having -2 as th

Firdavs [7]

Answer:

-2x-5y+8z+4.5=0

Step-by-step explanation:

Let (x,y,z) be the coordinates of the point lying on the needed plane. This point is equidistant from the points (-3, 5, -4) and (-5, 0, 4), so

$d_1=\sqrt{(x-(-3))^2+(y-5)^2+(z-(-4))^2}=\sqrt{(x+3)^2+(y-5)^2+(z+4)^2}\\ \\d_2=\sqrt{(x-(-5))^2+(y-0)^2+(z-4)^2}=\sqrt{(x+5)^2+y^2+(z-4)^2}\\ \\d_1=d_2\Rightarrow \sqrt{(x+3)^2+(y-5)^2+(z+4)^2}=\sqrt{(x+5)^2+y^2+(z-4)^2}\\ \\(x+3)^2+(y-5)^2+(z+4)^2=(x+5)^2+y^2+(z-4)^2\\ \\x^2+6x+9+y^2-10y+25+z^2+8z+16=x^2+10x+25+y^2+z^2-8z+16\\ \\-4x-10y+16z+9=0\\ \\-2x-5y+8z+4.5=0$