Jednotky Flashcards by Lukáš Vodička

Q

Kdy byla přijata atomová definice sekundy?

A

1967

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Q

Au

A

Astronomická jednotka
149 597 870,7 km

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Q

Parsek

A

3,262 ly

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Q

Světelný rok v metrech a kilometrech

A

9,46 10E15 m
9 bilionů kilometrů

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Q

Bod, kde se setkávají Farenheit a Celsius

A

-40*

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Q

Odkud se vzal Mach?

A

Ernst Mach - Rakušan
zavedeno až po jeho smrti - 1929

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Q

Délka dne v sekundách

A

86 400

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Q

Rychlost molekul vzduchu

A

Stovky metrů za sekundu

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Q

Základní jednotky SI

A

kg, m, s

A, K

mol, cd

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Q

Stupně Celsia z Fh

A

C= 5/9 (F-32)

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Q

Pozemská míle

A

1609,344

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Q

Námořní míle

A

1852 m

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Q

Když je Slunce pomeranč, pak Země je

A

špendlíková hlavička vzdálená 10 metrů

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Q

Přepočti 10m/s na km/h

A

36 km/h

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