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3 years ago

What is a healthy way to cope with distress

Physics

2 answers:

STALIN [3.7K]3 years ago

5 0

Answer: Well there is a simple solution which is death..

agasfer [191]3 years ago

4 0

Sleeping and eating

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What are (a) the energy of a photon corresponding to wavelength 6.0 nm, (b) the kinetic energy of an electron with de Broglie wa

dlinn [17]

Explanation:

Given that,

Wavelength = 6.0 nm

de Broglie wavelength = 6.0 nm

(a). We need to calculate the energy of photon

Using formula of energy

$E = \dfrac{hc}{\lambda}$

$E=\dfrac{6.63\times10^{-34}\times3\times10^{8}}{6.0\times10^{-9}}$

$E=3.315\times10^{-17}\ J$

(b). We need to calculate the kinetic energy of an electron

Using formula of kinetic energy

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

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

Put the value into the formula

$E=\dfrac{(6.63\times10^{-34})^2}{2\times9.1\times10^{-31}\times(6.0\times10^{-9})^2}$

$E=6.709\times10^{-21}\ J$

(c). We need to calculate the energy of photon

Using formula of energy

$E = \dfrac{hc}{\lambda}$

$E=\dfrac{6.63\times10^{-34}\times3\times10^{8}}{6.0\times10^{-15}}$

$E=3.315\times10^{-11}\ J$

(d). We need to calculate the kinetic energy of an electron

Using formula of kinetic energy

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

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

Put the value into the formula

$E=\dfrac{(6.63\times10^{-34})^2}{2\times9.1\times10^{-31}\times(6.0\times10^{-15})^2}$

$E=6.709\times10^{-9}\ J$

Hence, This is the required solution.

6 0

3 years ago

If Calcium has 2 valence electrons and Chlorine has 7 valence electrons, how many Cl-1 ions would need to combine with 1 Ca+2 io

Tanya [424]

Answer:

CALCIUM IDENINE ADEININE AND PHOSPHATE

Explanation:

6 0

3 years ago

Everything is perished.........(is it,isn't it, aren't they, are they

andrey2020 [161]

Answer:

everything is perished isn't it?

hope it helps.

8 0

3 years ago

Read 2 more answers

A _________ is a graphical representation of association between variables.

tino4ka555 [31]

A. scatter plot (100% positive, btw quizzes is a good tool for answers)

3 0

3 years ago

Read 2 more answers

The mass of a rocket decreases as it burns through its fuel. If the rocket engine produces constant force (thrust), how does the

Serjik [45]

Answer:

it increases-

Explanation:

When the mass of a rocket decreases as it burns through its fuel and the force ( thrust) is constant then by newtons second law of motion

F= ma here F is constant this means that ma= constant

⇒ m= F /a this implies that mass is inversely proportional to acceleration.

its means when the mass decreases the acceleration must increase. hence the acceleration increases

6 0

3 years ago