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Alina [70]
3 years ago
13

Use vector notation to describe the points that lie in the configuration. (Let s and t be elements of the Reals). the plane span

ned by v1=(2,7,0) and v2=(0,2,7). I(s,t)=
Physics
1 answer:
aniked [119]3 years ago
5 0

Answer:

The answer is l(s, t) = (2s,7s + 2t,7t)

Explanation:

A general vector notation that can describe the points which lie in the configuration of the plane spanned by v1 and v2, is evaluated, thus:

V = v1 + v2

Where s and t are the elements of v1(2,7,0) and v2(0,2,7), respectively, and projected in x, y and z coordinates, we have:

V = sv1 + sv2, implying that:

V = (2sx + 7sy + 0sz) + (0tx + 2ty + 7tz)

Or, V= (2sx + 7sy) + (2ty + 7 tz)

Therefore, V = (2s,7s + 2t,7t)

and l(s, t) = (2s,7s + 2t,7t).

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Please need help on this
lara [203]

#6 - Lower frequencies correspond to <em>longer</em> wavelengths.

#7 - To change the pitch of a sound, you have to change its <em>frequency</em>.

6 0
4 years ago
When an alkali metal is involved in a chemical reaction with a nonmetal, what charge will its atoms most likely form? 1- 2- 2+ 1
seraphim [82]

Answer:

+1 ion

Explanation:

Alkali metals are metals that are found in Group I of the periodic table. Their electronic configuration is such that their valence shell in grounds state is always holding only one electron which they always lose when reacting with non-metals. A loss in an electron makes the atom electrically imbalanced and hence becoming a +1 ion.

7 0
3 years ago
Which type of motion most accurately describes the behavior of a friction -less pendulum?
kaheart [24]

Answer:

B) Periodic Motion

Explanation:

When a pendulum is friction-less, i.e there are no damping forces acting on it, its motion will be periodic, i.e it will bob up and down going from potential energy to kinetic energy and back. Thus, the motion of the pendulum can be best described by the term "period motion", hence choice B.

If however, forces do act on the pendulum, and if they acts as to damp the pendulum, it will oscillate less and less as time goes by, and eventually come to a stop (in the real world this damping force is usually air resistance ). And if the force acts in such a way that it increases the oscillations, the pendulum will swing higher and higher, and the system will go haywire! :)

4 0
4 years ago
Plasmodium belong to which kingdom​
musickatia [10]

Answer:

plasmodium belongs to kingdom protista

4 0
3 years ago
How much kinetic energy does a 6kg cart have when moving at 4 m/s?
Arturiano [62]

Given:

mass = 6 kg

velocity = 4 m/s

To find:

Kinetic energy of the cart = ?

Formula used:

Kinetic energy = \frac{1}{2} m v^{2}

Where m = mass of the cart

v = velocity with which the cart is moving

Solution:

Kinetic energy of the moving cart is given by,

Kinetic energy = \frac{1}{2} m v^{2}

Where m = mass of the cart

v = velocity with which the cart is moving

Kinetic energy =\frac{1}{2} \times 6 \times \ 4 \times 4

Kinetic energy = 48 Joule

Thus, the kinetic energy of the moving cart is 48 Joule.

3 0
4 years ago
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