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3 years ago

This is an example of a ______ resource using _.

Physics

1 answer:

aleksklad [387]3 years ago

5 0

Answer:

Explanation:

I guess but not sure cause wind is soemthing you can get back electricity is soemthing you can't

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Light travels at 300,000 km per second. Mars is 56 million km away from Earth. How many seconds does it take light to travel fro

alina1380 [7]

Answer:

 It takes 186.67 second for the light to travel from Mars to earth.

Explanation:

Light: Light is a visible form of energy which is radiated outward from a source. Light travels in a straight line, and this phenomenon is called rectilinear propagation of light.

S = d/t .......................... Equation 1

making t the subject of the equation

t = d/S ......................... Equation 2

Where S = speed of light, d = distance between the earth and Mars, t = time

Given: d = 56000000 km, S = 300000 km per seconds.

Substituting these values into equation 2

t = 56000000/300000

t = 186.67 seconds.

Thus it takes 186.67 second for the light to travel from Mars to earth.

4 0

3 years ago

Compare and contrast the gravitational and electric forces.

Olin [163]

Answer: Idk I think I forgot

Explanation:

4 0

4 years ago

The resistivity of blood is related to its hematocrit, the volume fraction of red blood cells in the blood. A commonly used equa

Reika [66]

Answer:

0.47361

Explanation:

L = Length of cylinder = 1 cm

d = Diameter of cylinder = 0.9 cm

r = Radius of cylinder = $\frac{d}{2}=\frac{0.9}{2}=0.45\ cm$

h = Hematocrit

A = Area = $\pi r^2$

The resistivity of blood is given by

$\rho=\frac{1.32}{1-h}-0.79$

The resistivity of a material is given by

$R=\rho\frac{L}{A}\\\Rightarrow R=\frac{1.32}{1-h}-0.79\times \frac{0.01}{\pi 0.0045^2}\\\Rightarrow h=1-\frac{1.32}{\frac{AR}{L}+0.79}\\\Rightarrow h=1-\frac{1.32}{\frac{\pi 0.0045^2\times 270}{0.01}+0.79}\\\Rightarrow h=0.47361$

The hematocirt of the blood is 0.47361

8 0

4 years ago

as a mercury atom absorbs a photon of energy as electron in the atom changes from energy level B to energy level E. calculate th

Setler79 [48]

Answer:

2.00x 10 14th Hz

Explanation:

8 0

3 years ago

Read 2 more answers

In the formula, which quantity is measured in units of J/g degree C?

Andru [333]

In formula:

Specific heat capacity, c is measured in J/g degree C.

From Q = mcθ

c = Q / mθ = Q is in J, m might be in grammes, g, θ is in degree C

So c can be measured in J/g degree C

Answer = Option (a)

4 0

3 years ago

Read 2 more answers

This is an example of a ____________ resource using _______.

This is an example of a ______ resource using _.