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coldgirl [10]
3 years ago
11

What are energy levels​

Physics
1 answer:
uysha [10]3 years ago
8 0

Answer:

the fixed amount of energy that a system described by quantum mechanics, such as a molecule, atom, electron, or nucleus, can have.

Explanation: Just look up the definition if you are doubting me (that's what I did)

You might be interested in
Conservation of Energy:
e-lub [12.9K]

The new speed of the glider is 42.2 m/s.

The new speed of the glider can be calculated using the principle of the law of conservation of energy.

Note: Total energy of the glider before the dive = Total energy of the glider after the dive.

<h3> Formula:</h3>
  • mv²/2+mgh = mV²/2 +mgH................ Equation 1

Simplifying the equation above,

  • v²/2+gh = V²+gH

make V the subject of the equation.

  • V = √[(v²/2)+gh]-gH]............... Equation 2

<h3>Where:</h3>
  • V = New speed of the glider
  • v = initial speed of the glider
  • h = initial height of the glider
  • H = New height of the glider
  • g = acceleration due to gravity.

From the question,

<h3>Given:</h3>
  • v = 40 m/s
  • h = 300 meters
  • H = 200 meters
  • g = 9.8 m/s²

Substitute these values into equation 2.

  • V = √[(40²/2)+(9.8×300)-(9.8×200)]
  • V = √(800+2940-1960)
  • V = √1780
  • V = 42.2 m/s.

Hence, The new speed of the glider is 42.2 m/s.

Learn more about speed here: brainly.com/question/4931057

5 0
3 years ago
Suppose a tidal basin is 6 m above the ocean at low tide and that the area of the basin is 5×107 m2. Estimate the gravitational
Neko [114]

Answer:

Potential energy will be 176.58\times 10^{11}j          

Explanation:

We have given the height of the basin is h = 6 m

Area of the basin A=5\times 10^7m^2

Volume V=area \times height=5\times 10^7\times 6=30\times 10^7m^3

Density \rho =1000kg/m^3

We know that mass is given by m=\rho V=1000\times 30\times 10^7=3\times 10^{11}kg

We know that potential energy is given by E=mgh=3\times 10^{11}\times 9.81\times 6=176.58\times 10^{11}j

3 0
3 years ago
Which of the following statements about the cosmic background radiation is not true?
belka [17]
<h2>Answer: It is the result of a mixture of radiation from many independent sources, such as stars and galaxies. </h2>

Microwave background radiation was accidentally discovered by Penzias and Wilson on 1964. This is a form of electromagnetic radiation that <u>is present in the </u><u>whole universe</u><u> and completely fills it (it is isotropic)</u>.

<h2>It is the leftover radiation from the big bang. </h2>

Its frequency belongs to the microwaves range and is one of the main demonstrations of the of the Big Bang theory model.  

It is important to note the Big Bang occurred 400,000 years before the events related to the microwave cosmic radiation, this means the Big Bang occurred first.  

6 0
3 years ago
La distancia por carretera de Chitré a Parita es de 12 km; exprese en pies ésta distanciaLa distancia por carretera de Chitré a
densk [106]

Answer:

La distancia por carretera de Chitré a Parita es de 12 km o 39370.08 pies.

Explanation:

La regla de tres es una forma de resolver problemas de proporcionalidad entre tres valores conocidos y un valor desconocido, estableciendo una relación de proporcionalidad entre todos ellos.

Si la relación entre las magnitudes es directa, es decir, cuando una magnitud aumenta, también lo hace la otra (o cuando una magnitud disminuye, también lo hace la otra), se debe aplicar la regla directa de tres. Para resolver una regla directa de tres, se debe seguir la siguiente fórmula, siendo a, b y c los valores conocidos y x el valor a determinar:

a ⇒ b

c ⇒ x

Entonces x=\frac{c*b}{a}

La regla directa de tres es la regla que se aplica en este caso donde hay un cambio de unidades. Para realizar esta conversión de unidades, primero debes saber que 1 km = 3280,84 pies. Entonces, si 1 km son 3280,84 pies, ¿cuántos pies son 12 km?

1 km ⇒ 3280.84 pies

12 km ⇒ x

x=\frac{12 km*3280.84 pies}{1 km}

x= 39370.08 pies

<u><em>La distancia por carretera de Chitré a Parita es de 12 km o 39370.08 pies.</em></u>

7 0
3 years ago
A transfer of heat within a liquid or gas that involves warm particles moving in currents is
babunello [35]
<span>So the question is what is a transfer of heat within a liquid or gas that involves warm particles moving in currents. So there are three mechanisms of moving heat. Those are convection, conduction and radiation. Radiation is transfering energy via electromagnetic waves. Conduction is transfering heat trough some thermal conductor. Convection is transferring heat within a liquid or gas that involves warm particless moving in currents.</span>
5 0
4 years ago
Read 2 more answers
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