Physical Quantities and Measurement Systems
10 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the fundamental unit of length in the given conversion of miles per hour to meters per second?

  • Meter (m) (correct)
  • Mile (mi)
  • Foot (ft)
  • Kilometer (km)

What is the dimensional analysis of the equation d = vt^2, where d is distance, v is velocity, and t is time?

  • [L] = [LT^2]
  • [L] = [LT^-1][T^2] (correct)
  • [L] = [LT][T]
  • [L] = [L^2T^-2]

Which of the following conversions is an example of dimensional analysis?

  • Converting miles per hour to meters per second (correct)
  • Converting kilograms to grams
  • Converting Celsius to Fahrenheit
  • Converting liters to milliliters

What is the unit of time in the given conversion of miles per hour to meters per second?

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

What is the importance of dimensional analysis in equations?

<p>To ensure the dimensions on the left side are equal to the right side (B)</p> Signup and view all the answers

What is the result of the conversion of 1 mile per hour to meters per second using dimensional analysis?

<p>0.477 m/s (A)</p> Signup and view all the answers

What is the dimensional analysis of the equation v = d/t, where v is velocity, d is distance, and t is time?

<p>[LT^-1] = [L][T^-1] (B)</p> Signup and view all the answers

What is the purpose of cross-multiplication in dimensional analysis?

<p>To cancel out units (A)</p> Signup and view all the answers

Which of the following equations is dimensionally incorrect?

<p>d = vt^2 (A)</p> Signup and view all the answers

What is the benefit of using dimensional analysis in problem-solving?

<p>It helps to ensure the correctness of the equation (D)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser