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Fermi Questions > New Random Memorization > Flashcards

New Random Memorization Flashcards

1
Q

Log(phi)

A

0.20899

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2
Q

Log(2)

A

0.30103

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3
Q

Log(e)

A

0.43429

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4
Q

Log(3)

A

0.47712

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5
Q

Log(pi)

A

0.49715

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6
Q

Log(5)

A

0.69897

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7
Q

Log(7)

A

0.8451

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8
Q

Log(11)

A

1.04139

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9
Q

Log(13)

A

1.11394

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10
Q

Log(n!)

A

0.4 + 0.5(log(n)) + n(log(n) - 0.434)

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11
Q

Log(Primes below n)

A

-0.363 + log(n) - log(log(n))

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12
Q

Log(nth fibonacci number)

A

0.209 * n - 0.209

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13
Q

2n choose n

A

4^n/sqrt(n*pi)

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14
Q

Gravitational constant

A

6.67e-11 (kms units)

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15
Q

Gravitational formula

A

F = G(M1M2)/R2

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16
Q

Speed of light

A

3e8 m/s

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17
Q

AU

A

1.5e11

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18
Q

Light year:

A

9.4e15

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19
Q

Parsec

A

3.26 light years

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20
Q

Earth to the Moon

A

4e8m

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21
Q

Earth radius

A

6e6m

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22
Q

Earth mass

A

6e24 kg

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23
Q

Earth volume

A

e12 km^3

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24
Q

Orbital velocity

A

3e4 m/s

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25
Q

of atoms

A

e50

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26
Q

Grains of sand in the world

A

7.5e18

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27
Q

Moon radius

A

1/4 Earth’s radius

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28
Q

Moon mass

A

7.5e22 kg

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29
Q

Sun radius

A

7e8 m

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30
Q

Sun mass

A

2e30kg

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31
Q

Sun volume

A

e18 km^3

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32
Q

Milky way length

A

e5 light years

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33
Q

Milky way # of stars

A

e11

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34
Q

Universe # of galaxies

A

2e12

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35
Q

Universe # of stars

A

2e23

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36
Q

Universe # of atoms

A

e82

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37
Q

Mercury radius

A

1/2 Earth’s

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38
Q

Venus radius

A

Earth’s

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39
Q

Mars radius

A

1/2 Earth’s

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40
Q

Jupiter radius

A

11 Earth’s

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41
Q

Saturn radius

A

9.5 Earth’s

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42
Q

Uranus radius

A

4 Earth’s

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43
Q

Neptune radius

A

4 Earth’s

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44
Q

Pluto radius

A

1/5 Earth’s

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45
Q

BTU

A

1000 joules

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46
Q

Calorie

A

4 joules

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47
Q

Watt

A

1 joule/sec

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48
Q

kWh

A

3.6e6 joules

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49
Q

US energy usage per year

A

4e12 kWh

50
Q

Avogadro’s Number

A

6e23

51
Q

Angstrom

A

10e-10 m

52
Q

Proton weight

A

1.67e-27 kg

53
Q

Electron weight

A

e-31 kg

54
Q

Quetta

A

10^30

55
Q

Ronna

A

10^27

56
Q

Yotta

A

10^24

57
Q

Zetta

A

10^21

58
Q

Exa

A

10^18

59
Q

Peta

A

10^15

60
Q

Tera

A

10^12

61
Q

Giga

A

10^9

62
Q

Mega

A

10^6

63
Q

Kilo

A

10^3

64
Q

Hecto

A

10^2

65
Q

Deka

A

10^1

66
Q

Deci

A

10^-1

67
Q

Centi

A

10^-2

68
Q

Milli

A

10^-3

69
Q

Micro

A

10^-6

70
Q

Nano

A

10^-9

71
Q

Pico

A

10^-12

72
Q

Femto

A

10^-15

73
Q

Atto

A

10^-18

74
Q

Zepto

A

10^-21

75
Q

Yocto

A

10^-24

76
Q

Ronto

A

10^-27

77
Q

Quecto

A

10^-30

78
Q

Seconds in a year

A

3e7

79
Q

Seconds in a day

A

86400

80
Q

Fortnight

A

14 days

81
Q

Big bang

A

13.8 billion years ago

82
Q

Earth formation

A

4.6 billion years ago

83
Q

When humans came

A

2 million years ago

84
Q

Cells in the body

A

3.7e13

85
Q

Atoms per cell

A

100 trillion

86
Q

Heartbeats per day

A

115000

87
Q

Breaths per day

A

23000

88
Q

Breath size

A

0.5 L

89
Q

Fingernail growth

A

3.47 mm/month

90
Q

Toenail

A

1.62 mm/month

91
Q

Sneeze length

A

25 ft

92
Q

Length of all blood vessels

A

100,00 km

93
Q

Lake huron average depth

A

59 meters

94
Q

Lake huron maximum depth

A

229 meters

95
Q

Lake huron volume

A

3540 cubic kilometers

96
Q

Lake huron surface area

A

59600 square kilometers

97
Q

Lake Erie average depth

A

19 meters

98
Q

Lake Erie maximum depth

A

64 meters

99
Q

Lake Erie Volume

A

484 cubic kilometers

100
Q

Lake Erie surface area

A

25700 square kilometers

101
Q

Lake Ontario average depth

A

86 meters

102
Q

Lake Ontario maximum depth

A

244 meters

103
Q

Lake Ontario volume

A

1640 cubic kilometers

104
Q

Lake Ontario Surface area

A

18960 square kilometers

105
Q

Lake Superior average depth

A

147 meters

106
Q

Lake Superior maximum depth

A

406 meters

107
Q

Lake Superior volume

A

12100 cubic kilometers

108
Q

Lake Superior surface area

A

82100 square kilometers

109
Q

Lake Michigan average depth

A

85 meters

110
Q

Lake Michigan maximum depth

A

281 meters

111
Q

Lake Michigan volume

A

4918 cubic kilometers

112
Q

Lake Michigan surface area

A

58000 square kilometers

113
Q

Average ocean depth

A

4e3 m

114
Q

Maximum ocean depth

A

1.1e4 m

115
Q

Visible light wavelength

A

400-700 nm

116
Q

Hectare measurement

A

10000 m^2

117
Q

Furlong

A

200 m

118
Q

Blood in body

A

5 liters

119
Q

Size of a cell

A

100 μm in diameter

120
Q

Acre

A

4050 m^2

121
Q

Internet created/uploaded per day

A

3.288e20 bytes

Fermi Questions (4 decks)

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