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3 years ago

What is also known as watered carbons

2 answers:

5 0

The name carbohydrate means "watered carbon" or carbon with attached water molecules. Many carbohydrates have empirical formuli which would imply about equal numbers of carbon and water molecules. For example, the glucose formula C6H12O6 suggests six carbon atoms and six water molecules.

nirvana33 [79]3 years ago

4 0

Answer:

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Hakeem fees ya utensilios just hat

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2 years ago

In the fall of 2002, a group of scientists at Los Alamos National Laboratory determined that the critical mass of neptunium-237

Llana [10]

The concepts required to solve this problem are those related to density, as a function of mass and volume. In turn, we will use the geometric concept defined for the volume.

The relationship between volume, density and mass is given under the function

$\rho = \frac{m}{V}$

Here,

m = Mass

V = Velocity

Rearranging for the Volume,

$V = \frac{m}{\rho}$

With our information the volume is

$V = \frac{60kg}{19.5g/cm^3 (\frac{10^3kg/m^3}{1g/cm^3})}$

$V = 3.0769*10^{-3}m^3$

Now the volume of sphere is expressed as

$V = \frac{4}{3} \pi r^3$

Here r is the radius of Sphere, then rearranging to find the radius we have

$r = \sqrt[3]{\frac{3V}{4\pi}}$

$r = \sqrt[3]{\frac{3(3.0769*10^{-3})}{4\pi}}$

$r = 0.0902m$

Therefore the radius of a sphere made of this material that has a critical mass is 9.02cm

8 0

3 years ago

Superman used X-ray vision to detect objects. Aside from a source of X-rays, what else would be needed for X-ray vision?

Arada [10]

Answer:

an absorber of x-ray

Explanation:

To make x-ray detection/vision work, you will need at least two items: a source of x-ray and absorbed or x-ray.

The object you want to see itself doesn't have to be the source, but it has to absorb some of the rays instead. When doing a chest x-ray test, the medical employee will put your chest between absorber and source. The heart can absorb some of the rays so it will appear more white than lungs who made of air and won't absorb the rays.

3 0

3 years ago

A 48kg skateboarder is ready to drop

Naily [24]

Hello, use the formula:

Pe = mgh

Data:

Pe = Potential energy = ¿?

m = Mass = 48 kg

g = Gravity = 9,81 m/s²

h = Height = 7 m

Replacing according our data:

Pe = 48 kg * 9,81 m/s² * 7 m

Resolving:

Pe =3296,16 J

The potential energy of the skateboarder is 3296,16 Joules

6 0

3 years ago

An 85 kg object is moving at a constant speed of 15 m/s in a circular path,which has a radius of 20 meters. What centripetal for

vova2212 [387]

As always,. F = M A. Centripetal acceleration = V-squared / R. So F=M V-squared/R. =. 85 x 225 / 20. = 956.25 Newton's (about 215 pounds). That's the force required to keep that mass moving at that speed around that circle. If the force is less, or not there, then the 85 kg moves slower, or leaves that path.

7 0

3 years ago