Constantes Físicas Flashcards

1
Q

Magnitud de la velocidad de la luz en el vacío.

A

c = 2.99810^6 m/s ≈ 310^6 m/s

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2
Q

Masa de la Tierra.

A

m_T = 5.98*10^24 kg

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3
Q

Radio de la Tierra.

A

r_T = 6.37*10^6 m

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4
Q

Magnitud de la velocidad de traslación de la Tierra alrededor del Sol.

A

v_T = 30 km/s = 108,000 km/h

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5
Q

Magnitud de la velocidad de rotación de la Tierra en el ecuador.

A

v_R = 463 m/s = 1,666.66 km/h

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6
Q

Masa de la luna.

A

m_L = 7.25*10^22 kg

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7
Q

Radio de la Luna.

A

r_L = 1.738*10^6 m

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8
Q

Masa en reposo del electrón.

A

m_e = 9.109*10^-31 kg

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9
Q

Asa en reposo del protón.

A

m_p = 1.673*10^-27 kg

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10
Q

Masa en reposo del neutrón.

A

m_n = 1.675*10^-27

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11
Q

Unidad de Masa Atómica.

A

u = 1/12 masa del C_12 = 1.66*10^-27 kg

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12
Q

Energía de un electrón volt.

A

eV = 1.602*10^-19 J

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13
Q

Carga del electrón.

A

e^- = -1.602*10^-19 C

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14
Q

Carga del protón.

A

P = 1.602*10^-19 C

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15
Q

Número de Avogadro.

A

N_A = 6.022*10^23 moléculas/mol

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16
Q

Constante universal de los gases.

A

R = 9.314 J/K mol

17
Q

Magnitud de la aceleración normal de la gravedad.

A

9.80665 m/s^2

18
Q

Constante de gravitación universal.

A

G = 6.67*10^-11 Nm^2/kg^2

19
Q

Presión atmosférica normal.

A

P_n = 760 mm de Hg = 1.034 Pa

20
Q

Cero absoluto.

A

0 K = -273.15°C

21
Q

Equivalente mecánico del calor.

A

1 cal = 4.186 J

22
Q

Constante de Coulomb o electrostática.

A

k_E = 8.987*10^9 Nm^2/C^2

23
Q

Constante de Planck.

A

h = 6.626*10^-34 Js

24
Q

Constante magnética.

A

k_M = 10^-7 N/A^2