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3 years ago

Which statement about cellulose is true

Physics

2 answers:

Lana71 [14]3 years ago

8 0

Answer:

I hope this helps

Explanation:

nevsk [136]3 years ago

6 0

Answer: D. its used to make paper products

Mark brainleist if my answer was right please!!

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Electrons of wavelength 1.5 nm are emitted from a material when light of wavelength 350nm is incident on it. What is the work fu

krok68 [10]

Answer:

3.5434 eV

Explanation:

For a particle with kinetic energy E and mass m , the wavelength associated is given by the following relation,

$\lambda=\frac{h}{\sqrt{2mE} }$

E = $\frac{h^2}{2m\lambda^2}$

Putting the values we get

E = $\frac{(6.6\times(10^{-34})^2}{2\times9.1\times10^{-31\times(1.5\times10^{-9})^2}}$

=1.063 x 10⁻²¹ J

= .0066 eV.

Energy of¹light in terms of eV

= 1244 / 350 = 3.55 eV.

Work function = 3.55 - 0.0066 = 3.5434 eV.

7 0

4 years ago

Which are methods of reducing exposure to ionizing radiation? Check all that apply

MariettaO [177]

Ionising radiation (ionizing radiation) is radiation that carries enough energy to free electrons from atoms or molecules, thereby ionizing them. Ionizing radiation is made up of energetic subatomic particles, ions or atoms moving at high speeds (usually greater than 1% of the speed of light), and electromagnetic waves on the high-energy end of the electromagnetic spectrum.

6 0

4 years ago

Read 2 more answers

An effective early childhood curriculum can be

kompoz [17]

An effective early childhood curriculum can be learning how to read and write. Without learning how to read, we wouldn’t be able to communicate through this app, or through online school. We wouldn’t know directions, and we wouldn’t be able to enjoy stories. If we didn’t know how to write, I would not be able to help you figure out the answer to this problem, and your teacher wouldn’t be able to grade anything. Think about it, you ir entire education is based of being able to read and write.

Hope this helps :)

6 0

3 years ago

If your vessel is engaged in diving activity during the day, you must exhibit a diver-down flag along with what other rigid flag

strojnjashka [21]

The navigation rules entail vessels restricted in their ability to maneuver to display appropriate flag or lights. During the day of engagement of vessel in diving activities the rigid replica of the international code flag "ALPHA" must be exhibit not less than 3.3 feet while during night time the vessel must display the navigation light which is red and white and this requirement does not affect divers red and white flag which may be required by state to mark a divers location. The "A" flag is a kind of navigational signal which indicates the vessel’s restricted maneuverability and do not pertain to diver.

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3 years ago

The purpose of the sport called flight archery is to shoot an arrow the greatest possible distance. One of the greatest distance

balandron [24]

Answer:

62400 cm

Explanation:

1 m = 100 cm

624m = 62 400 cm

3 0

3 years ago