Physics Momentum and British System Time Unit Quiz
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Questions and Answers

What is the correct momentum of a 30-kg object traveling at 2.5 m/s?

  • 187.5 kg-m/s
  • 75 kg-m/s (correct)
  • 150 kg-m/s
  • 12 kg-m/s
  • In the British system, what is the unit of measure for time?

  • second (correct)
  • day
  • hour
  • minute
  • What does an atom of oxygen (16O) consist of?

  • eight protons
  • eight neutrons
  • eight electrons
  • all of the above (correct)
  • Atoms with the same number of neutrons but different number of protons are called:

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

    The formula E = hf demonstrates the relationship between:

    <p>energy and frequency</p> Signup and view all the answers

    What is the correct unit for measuring momentum?

    <p>kilogram-meters per second</p> Signup and view all the answers

    Which of the following statements best describes the relationship between frequency and energy?

    <p>As frequency increases, energy increases</p> Signup and view all the answers

    When compared with a beta particle, what best describes the size of an alpha particle?

    <p>Much larger</p> Signup and view all the answers

    What is the origin of electromagnetic radiation?

    <p>The atom</p> Signup and view all the answers

    What can the formula v = fλ be used to calculate?

    <p>All of the above</p> Signup and view all the answers

    Which of the following was an example of a dangerous use of x-rays for entertainment or business gain?

    <p>Fluoroscopic shoe fitter</p> Signup and view all the answers

    In comparison to an alpha particle, what best describes a beta particle?

    <p>Is less penetrating</p> Signup and view all the answers

    Where is the number of protons in an atom's nucleus reflected?

    <p>Atomic number</p> Signup and view all the answers

    What is an alpha particle the same as?

    <p>(D) Nucleus of a(n)</p> Signup and view all the answers

    What property is reflected by the atomic number of an element?

    <p>The number of protons in the nucleus</p> Signup and view all the answers

    What term is used to describe the distance between two consecutive peaks or troughs of a wave?

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

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