Physics 1.1 - The Realm Of Physics

5 Questions | Total Attempts: 85

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Physics 1.1 - The Realm Of Physics

This quiz will test your knowledge and understanding of Physics topic 1. 1.


Questions and Answers
  • 1. 
    Earth's mass is about kg. Please estimate the number of atoms in the entire Earth.
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  • 2. 
    Earth's radius is about 6378km. Please estimate the number of atoms in Earth.
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  • 3. 
    Please estimate how many times on average a human heart beats in a human's life time, assuming that the average person lives for 75 years and that the heart beats between 60 and 80 times per minute.
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  • 4. 
    Please calculate the thickness of a piece of paper in millimeters, assuming the thinkness of a 500-page book to be 5 cm.
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  • 5. 
    What is the ratio of the age of the universe to the time it takes for the traffic light to change from red to green, assuming that the age of universe is 14 billion years and the waiting time for the light change is 1 minute?
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