3 years ago

Imagine that you move a substance from one container to another and it's volume changes, what state of matter is that substance?

1 answer:

6 0

This would be gas, due to it not essentially having a definite volume.

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Anestetic [448]

Average speed is 0.5 km per hour

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3 years ago

ad-work [718]

Answer:100m west

Explanation:

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3 years ago

Svet_ta [14]

Answer:

Hence the answer is E inside $= KQr_{1} /R^{3}$ .

Explanation:

E inside $= KQr_{1} /R^{3}$

so if r1 will be the same then

E $\begin{bmatrix}Blank Equation\end{bmatrix}$ proportional to 1/R3

so if R become 2R

E becomes 1/8 of the initial electric field.

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2 years ago

Hoochie [10]

The answer to this would inFact be A

6 0

3 years ago

hjlf

Answer: a) for 150 Angstroms 6.63 *10^-3 eV; b) for 5 Angstroms 6.02 eV

Explanation: To solve this problem we have to use the relationship given by De Broglie as:

λ =p/h where p is the momentum and h the Planck constant

if we consider the energy given by acceleration tube for the electrons given by: E: e ΔV so is equal to kinetic energy of electrons p^2/2m

Finally we have:

eΔV=p^2/2m= h^2/(2*m*λ^2)

replacing we obtained the above values.

6 0

3 years ago