Average speed, average velocity for a road trip

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SUMMARY

The discussion focuses on the concepts of average speed and average velocity in the context of a road trip. The key equation presented is speed = Distance/Time, which is essential for calculating average speed. Participants express confusion regarding the relationship between average velocities and the individual velocities of segments of the trip. Additionally, a distinction is made between speed and velocity, highlighting that speed is a scalar quantity while velocity is a vector quantity, which is crucial for understanding parts (c) and (d) of the homework problem.

PREREQUISITES
  • Understanding of basic physics concepts, specifically speed and velocity
  • Familiarity with the equation for average speed: speed = Distance/Time
  • Knowledge of scalar vs. vector quantities
  • Ability to analyze motion in one-dimensional space
NEXT STEPS
  • Research the differences between scalar and vector quantities in physics
  • Learn how to calculate average speed and average velocity for different segments of a trip
  • Explore examples of average speed and velocity in real-world scenarios
  • Study the implications of average velocity being higher or lower than segment velocities
USEFUL FOR

Students studying physics, educators teaching motion concepts, and anyone interested in understanding the principles of speed and velocity in practical applications.

Iron_Man_123
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Homework Statement


[/B]
I'm very stuck at answering parts (c) and (d)

2.png


Homework Equations


speed = Distance/Time

The Attempt at a Solution


IMG_20161023_115640.jpg
 
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I haven't worked the problem myself, but I am not sure your solutions to parts a and b are correct. Does it make sense to have average velocities higher or lower than both velocities? Perhaps this is why you're struggling on c and d.
 
In both a) and b) you got confused between the half (time or distance) and the whole.
For d), what is the difference between speed and velocity?
 

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