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Nataliya [291]
2 years ago
7

TEST: Circuit---2/25/21 All of the following apply to an electric current, except:

Physics
1 answer:
posledela2 years ago
5 0
C Electrical is your answer
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Jonathan answered 28 out of 35 questions correctly on his chemistry test. What is his percent score?
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Seriously? It’s that hard to use a calculator??


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What is the x component of (+3m)ι^ And (+3m/s) i^?
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The "i" component of a vector is in the x-direction. Therefore, the x-component is 3 m/s.
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at room temperature, iron is a solid and mercury is a liquid. based on this information we can infer thata. iron has a higher bo
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A. iron has a higher boiling point thanmercury.
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The volume of a cylindrical tin can with a top and a bottom is to be 16π cubic inches. If a minimum amount of tin is to be used
sergiy2304 [10]

Answer:

h = 4 in

Explanation:

GIVEN DATA:

volume of tin= 16 \pi

we know that

volume of cylinder is v = \pi r^2  h

so,

16 \pi = \pi r^2 h

16 = r^2 h

r = \sqrt{\frac{16}{h}}

construct formula for surface area

S = 2\pi r^2 +  2\pi rh

S = \frac{2v}{h} + 2 \sqrt{v \pi h}

minimize the function wrt  h

S' = \frac{2v}{h^2} + \sqrt{\frac{v \pi}{h} =  0

solving for h we have

h = [\frac{4 v}{\pi}]^{1/3}

we kow v = 16 \pi   so

h = 4 in

8 0
3 years ago
On a cloudless day, the sunlight that reaches the surface of the earth has an intensity of about W/m². What is the electromagnet
Otrada [13]

Answer:

1.907 x 10⁻⁵ J.

Explanation:

Given,

Volume of space, V = 5.20 m³

Assuming the intensity of sunlight(S) be equal to 1.1 x 10³ W/m².

Electromagnetic energy = ?

E = \mu V

E = (\dfrac{S}{c})\times V

where c is the speed of light.

E = (\dfrac{1.1\times 10^3}{3\times 10^8})\times 5.20

E = 1.907\times 10^{-5}\ J

Hence, Electromagnetic energy is equal to 1.907 x 10⁻⁵ J.

4 0
3 years ago
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