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Tomtit [17]
3 years ago
10

What type of image is formed by the following mirror?

Physics
1 answer:
Elenna [48]3 years ago
4 0

Answer:

<h3>b. virtual uprigth</h3>

Explanation:

<h3>this is my answer is perfect </h3>
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Consider a container of oxygen gas at a temperature of 23°C that is 1.00 m tall. Compare the gravitational potential energy of a
Sergio039 [100]

Answer:

Yes, it is reasonable to neglect it.

Explanation:

Hello,

In this case, a single molecule of oxygen weights 32 g (diatomic oxygen) thus, the mass of kilograms is (consider Avogadro's number):

m=1molec*\frac{1mol}{6.022x10^{23}molec} *\frac{32g}{1mol}*\frac{1kg}{1000g}=5.31x10^{-26}kg

After that, we compute the potential energy 1.00 m above the reference point:

U=mhg=5.31x10^{-26}kg*1.00m*9.8\frac{m}{s^2}=5.2x10^{-25}J

Then, we compute the average kinetic energy at the specified temperature:

K=\frac{3}{2}\frac{R}{Na}T

Whereas N_A stands for the Avogadro's number for which we have:

K=\frac{3}{2} \frac{8.314\frac{J}{mol*K}}{6.022x10^{23}/mol}*(23+273)K\\ \\K=6.13x10^{-21}J

In such a way, since the average kinetic energy energy is about 12000 times higher than the potential energy, it turns out reasonable to neglect the potential energy.

Regards.

8 0
3 years ago
Which equation could not be used to determine straight line acceration?
uranmaximum [27]

Answer:

the answer for the question is the last option

5 0
3 years ago
Pablo wants to enter the science fair. Which question could be answered through scientific investigation?
FinnZ [79.3K]
D.What is the best angle to throw a ball for maximum distance?  Because this is the only question in above all of them which has some scientific investigation like angle that is use in many of the physics relations.
8 0
3 years ago
Read 2 more answers
If the sun in 148 million kilometers from the earth, how many minutes will it take the light from the sun to reach the earth?
Natasha2012 [34]

Answer:

about 8 mins and 20 secs

Explanation:

8 0
3 years ago
Para abrir una puerta se comprime un resorte y, por defecto de este, la puerta se cierra automáticamente. ¿Qué forma de energía
harkovskaia [24]

Answer:

El resorte al comprimirse adquiere energía potencial elástica.

Explanation:

Por conservación de la energía, y si no hay agentes externos (como pérdida de energía por rozamiento), la energía cinética que proviene del movimiento de la puerta al abrirse se transfiere al resorte en forma de energía potencial elástica cuando el resorte se comprime.

En el proceso de descompresión ocurre lo contrario, es decir, la energía potencial elástica del resorte se transforma en energía cinética que es transferida a la puerta para cerrarse.      

Por lo tanto, el resorte al comprimirse adquiere energía potencial elástica.

Espero que te sea de utilidad!            

4 0
2 years ago
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