Time Units Conversion

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Questions and Answers

Quantos minutos há em uma hora?

  • 60 (correct)
  • 30
  • 90
  • 120

Qual é a unidade fundamental de tempo no Sistema Internacional de Unidades (SI)?

  • Segundo (s) (correct)
  • Dia
  • Minuto (min)
  • Hora (h)

Quantos segundos há em um minuto?

  • 30
  • 120
  • 60 (correct)
  • 90

Quantos dias há em um ano, exceto os anos bissextos?

<p>365.24 (B)</p> Signup and view all the answers

Qual é a conversão de 1 dia em segundos?

<p>86400 (D)</p> Signup and view all the answers

1 quilómetro é igual a ______ metros.

<p>1000</p> Signup and view all the answers

Para converter Celsius para Fahrenheit, usamos a fórmula °F = (°C × ______/5) + 32.

<p>9</p> Signup and view all the answers

1 litro é igual a ______ mililitros.

<p>1000</p> Signup and view all the answers

Para converter Fahrenheit para Celsius, usamos a fórmula °C = (°F - 32) × ______/9.

<p>5</p> Signup and view all the answers

1 galão é igual a ______ litros.

<p>3.785</p> Signup and view all the answers

1 onça é igual a ______ gramas.

<p>28.3495</p> Signup and view all the answers

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Study Notes

Time Units

Basic Units

  • Second (s): The fundamental unit of time in the International System of Units (SI)
  • Minute (min): 60 seconds
  • Hour (h): 60 minutes
  • Day: 24 hours

Derived Units

  • Millisecond (ms): 0.001 seconds
  • Microsecond (μs): 0.000001 seconds
  • Nanosecond (ns): 0.000000001 seconds
  • Year: 365.24 days (except for leap years)
  • Month: 30 or 31 days (depending on the month)
  • Week: 7 days

Conversion Factors

  • 1 minute = 60 seconds
  • 1 hour = 60 minutes = 3600 seconds
  • 1 day = 24 hours = 1440 minutes = 86400 seconds
  • 1 year ≈ 365.24 days (except for leap years)

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