2 years ago

Como se pueden d los valores dnwkwnjwnwiwnwiqnqjwowkw?

Physics

1 answer:

Shtirlitz [24]2 years ago

7 0

??? What is this a question u need help with

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The energy required to dislodge electrons from cesium metal via the photoelectric effect is 207 kJ/mol . What wavelength (in nm)

ki77a [65]

Answer:

So wavelength in nm will be $\lambda =0.956\times 10^{-19}nm$

Explanation:

We have given that the energy = 207 KJ/mol $=207\times 10^3j/mol$

Speed of light $c=3\times 10^8m/sec$

Plank's constant $h=6.6\times 10^{-34}J-s$

According to plank's rule energy of the photon is given by

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

$207\times 10^3=\frac{6.6\times 10^{-34}\times 3\times 10^8}{\lambda }$

$\lambda =0.956\times 10^{-28}m$

So wavelength in nm will be $\lambda =0.956\times 10^{-19}nm$

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If vector b is added to vector a under what conditions does the resultant vector has magnitude a+b?

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The vectors must point in the same direction.

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Para proteger un computador de sobrecargas eléctricas, Juan coloca un filamento delgado de cobre llamado fusible en su circuito,

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Answer:

Los fusibles están diseñados de tal forma que estos se "rompen" o se funden, cuando la demanda eléctrica supera un dado valor (cuando demasiada electricidad pasa a través de el).

Una vez el filamento se rompe, la corriente ya no puede circular por el (podes pensar en esta situación como un cable roto, la electricidad no puede circular por este cable)

Entonces, al romperse el filamento, en caso de una sobrecarga eléctrica, el flujo de electricidad se corta, y de esta forma se protege al computador de posibles sobrecargas.

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They have the same current.

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According to the Ohm's Law, resistors in series have the same current, distinct potential differences and resistances. The case for n resistors in series are:

$\sum_{i=1}^{n}\,V_{i} = i \cdot \sum_{i=1}^{n}\,R_{i}$

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The property of a moving object to continue moving is what galileo called

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The answer is D. inertia

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