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Questions and Answers
What is the correct momentum of a 30-kg object traveling at 2.5 m/s?
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?
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?
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:
Atoms with the same number of neutrons but different number of protons are called:
The formula E = hf demonstrates the relationship between:
The formula E = hf demonstrates the relationship between:
What is the correct unit for measuring momentum?
What is the correct unit for measuring momentum?
Which of the following statements best describes the relationship between frequency and energy?
Which of the following statements best describes the relationship between frequency and energy?
When compared with a beta particle, what best describes the size of an alpha particle?
When compared with a beta particle, what best describes the size of an alpha particle?
What is the origin of electromagnetic radiation?
What is the origin of electromagnetic radiation?
What can the formula v = fλ be used to calculate?
What can the formula v = fλ be used to calculate?
Which of the following was an example of a dangerous use of x-rays for entertainment or business gain?
Which of the following was an example of a dangerous use of x-rays for entertainment or business gain?
In comparison to an alpha particle, what best describes a beta particle?
In comparison to an alpha particle, what best describes a beta particle?
Where is the number of protons in an atom's nucleus reflected?
Where is the number of protons in an atom's nucleus reflected?
What is an alpha particle the same as?
What is an alpha particle the same as?
What property is reflected by the atomic number of an element?
What property is reflected by the atomic number of an element?
What term is used to describe the distance between two consecutive peaks or troughs of a wave?
What term is used to describe the distance between two consecutive peaks or troughs of a wave?
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