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tensa zangetsu [6.8K]
3 years ago
12

Another element is silvery-white with a shiny luster, is very brittle, and forms ions with a −2 charge. give one possible identi

ty of this element. enter the symbol for the element.
Physics
2 answers:
Lesechka [4]3 years ago
7 0
The element is magnesium ( Mg )
chubhunter [2.5K]3 years ago
5 0

Answer:

It is Telurium

Explanation:

This element since belong to the family VI A in the periodic table, the charge -2 is the most common of these elements. Also, its color is silver - white, because is a metalloid has luster (a property of metals) and is very brittle ( a property of non-metals). Its symbol is Te.

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A gyroscope flywheel of radius 3.25 cm is accelerated from rest at 11.6 rad/s2 until its angular speed is 1820 rev/min. (a) What
kati45 [8]

Explanation:

The given data is as follows.

           radius (r) = 3.25 cm,    \alpha = 11.6 rad/s^{2}

Now, we will calculate the tangential acceleration as follows.

          a_{tangential} = \alpha \times r

Putting the given values into the above formula as follows.

         a_{tangential} = \alpha \times r

                      = 11.6 rad/s^{2} \times 3.25 cm

                      = 37.7 rad cm/s^{2}

Thus, we can conclude that the tangential acceleration of a point on the rim of the flywheel during this spin-up process is 37.7 rad cm/s^{2}.

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3 years ago
Why does the sound of a person’s voice sound different underwater than when they are speaking in air?
Tems11 [23]
Sound waves actually travel much faster in water than air, but words and the direction of the noise are distorted.
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3 years ago
A worker uses a cart to move a load of bricks a distance of 10m across a parking lot. if he pushes the cart with a constant forc
andriy [413]

Answer:

2090 J

Explanation:

the work done to move the cart is equal to the product between the force applied and the distance traveled:

W=Fd

In this case, the force applied is F=209 N, while the distance covered is d=10 m, therefore the work done is

W=Fd=(209 N)(10 m)=2090 J

6 0
3 years ago
Read 2 more answers
What are aerial plants
Alex_Xolod [135]

Answer:  Aerial plants is plants that lives in air or wind the wind serves as the water of the plants. Most aerial plants are found in tropical and equatorial regions of the world. In evergreen rain forests, the foliage is so thick that some plants have evolved aerial roots to allow them to absorb more sunlight. The development of aerial roots is

thus an evolutionary process.Aerial roots are often thick and spread around the parent tree. The Banyan tree can have several aerial roots as it gets older.

Explanation:

7 0
3 years ago
The height of an object is 10 cm, and the height of its image is 6 cm. What is the magnification?
kipiarov [429]

magnification = \bf\dfrac{height of image}{height of object}

= \bf\dfrac{6cm}{10cm}

= 0.6

3 0
2 years ago
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