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Hoochie [10]
2 years ago
6

Which element is a metalloid?

Physics
1 answer:
Ann [662]2 years ago
3 0

Answer:

The metalloids are located on the right side of the periodic table in a "step-like" arrangement.

All of the possible metalloids are:

boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te), and polonium (Po)

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What other angle would give the same range at 19 degrees?
yaroslaw [1]

Answer:

I think it is acute angle.

Explanation:

Because it is an angle between 0° and 90°. Hope this answer wil help you.

8 0
3 years ago
Read 2 more answers
In this problem you will consider the balance of thermal energy radiated and absorbed by a person.Assume that the person is wear
Alekssandra [29.7K]

Answer:

The thermal power emitted by the body is P_t  = 286.8 \ Wm^{-2}

The net power radiated is  P_{net} = 460 \ W

Explanation:

From the question we are told that

   The length of the assumed humT_{room} = 20 ^oCan body is  L =  2.0 m

   The circumference of the assumed human body is  C  =  0.8 \ m

   The  Stefan-Boltzmann constant is  \sigma  =  5.67 * 10^{-8 } \ W\cdot  m^{-2} \cdot  K^{-4}.

    The temperature of skin T_{body} = 30^oC

     The temperature of the room is  

    The emissivity is  e=0.6

The thermal power radiated by the body is mathematically represented as

           P_t  =  e *  \sigma * T_{body}^4

substituting value

        P_t  =  0.6 * 5.67*10^{-8} *  (303)^4

        P_t  = 286.8 \ Wm^{-2}

The net power radiated by the body is mathematically evaluated as

    P_{net}  =  P_t *  A

Where A is the surface area of the body which is mathematically evaluated as

     A =  C* L

substituting values

      A =  0.8 * 2

      A =  1.6 m^2

=>    P_{net} =  286.8 * 1.6

=>   P_{net} =  460 \ W

8 0
3 years ago
How much horsepower is produced by 2023 z’s 3. 0-liter twin-turbo 6-cylinder engine?.
garri49 [273]

400 horsepower is produced by 2023 z's 3. 0-liter twin-turbo 6-cylinder engine.

<h3>What is horsepower?</h3>

The power an engine produced is referred to as horsepower. In the British Imperial System, one horsepower equals 33,000 foot-pounds of work per minute, i.e., the force required to lift a mass of 33,000 pounds off the ground in a single motion for one minute.

The new Z's 3.0-liter twin-turbo V6 engine produces 400 horsepower and 350 pound-feet of torque. This is 68 horsepower and 80 lb-ft more than the previous 370Z. The 6-speed manual transmission that comes standard or the optional 9-speed automatic transmission with paddle shifters are both paired with this one engine option.

Learn more about horsepower here:

brainly.com/question/17918928

#SPJ4

6 0
2 years ago
An object accelerates downward at a constant rate of 2.00 m/s2 while completely submerged in water. Neglect the viscosity (fluid
Sidana [21]

Answer:

833kg/m³

Explanation:

We have volume as Vm³

Density of this object = dKg/m³

Water density = 1000kg/m³

g = 10m/s²

We calculate FB which is the the buoyant force on object. Calculated as volume of object multiplied by water density

Fb = 1000Vg upwards

W = Vdg

Acceleration = net upwards/m

M = mass

2 = (1000g-gd)/d

2d = 10000 - 10d

2d + 10d = 10000

12d = 10000

d = 833.33kg/m³

Approximately 833kg/m³

The average density of the object is therefore 833kg/m³

5 0
3 years ago
Physics // how i solve?
Alex

V=IR

180mA=V/R

I=2V/3R

I=2/3 x 180 mA =120 mA

7 0
3 years ago
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