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3 years ago

12

NEED HELP FAST ILL MARK BRAINLIEST AND RATE 5 STARS AND SAY THANK YOU

2 answers:

Anastasy [175]3 years ago

4 0

I believe the answer you are looking for is C.
I think this, because they are not usually found in dead things.
They do not ALWAYS contain oxygen, just commonly.
And they certainly can be synthesized.

I basically just used the method of elimination to get you this answer :)

Vitek1552 [10]3 years ago

3 0

It would be letter C

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Virty [35]

Answer:

N = 337.96 N

Explanation:

∅ = 32º

F = 249 N

m = 21 Kg

N = ?

We can apply:

∑ F = 0 (↑)

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⇒ F*Sin ∅ + m*g = N

⇒ N = (249 N*Sin32º) + (21 Kg*9.81 m/s²)

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3 years ago

Calculate the wavelength of an electron mass 9.1*10^-31kg moving with a velocity of 2.0*10^6m/s (h=6.63*10^-34Js) (Hint: De Brog

Inga [223]

Answer:

Wavelength, $\lambda=3.64\times 10^{-10}\ m$

Explanation:

We have,

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Mass of an electron is $9.1\times 10^{-31}\ kg$

It is required to find the wavelength of electron. The De-Broglie wavelength of an electron is given by :

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liberstina [14]

Answer:

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Explanation:

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Alecsey [184]

Answer:

First one,

Its because

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