What Factors Influence a Boat's Trajectory Under a Bridge?

  • Context: High School 
  • Thread starter Thread starter Numeriprimi
  • Start date Start date
  • Tags Tags
    Boat Bridge
Click For Summary

Discussion Overview

The discussion revolves around the factors influencing a boat's trajectory as it passes under a bridge, exploring the relationship between the observer's position and the boat's movement. It touches on concepts of geometry and vector analysis in the context of motion and observation.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification

Main Points Raised

  • One participant questions how the observer's speed affects the timing of the boat passing under the bridge, suggesting a potential complexity in geometry.
  • Another participant argues that the observer's speed should not influence when any part of the boat crosses under the bridge.
  • A third participant humorously questions how the boat would be aware of the observer's presence.
  • A later reply recommends using vector analysis in three dimensions to analyze the situation more effectively.

Areas of Agreement / Disagreement

Participants express differing views on the relevance of the observer's speed to the boat's trajectory, indicating that multiple competing perspectives remain unresolved.

Contextual Notes

There are assumptions about the geometry involved and the nature of the boat's movement that remain unspecified, as well as the implications of the observer's position and speed.

Numeriprimi
Messages
135
Reaction score
0
When I went today after the bridge over the river, I thought... It's about how I see the situation. I noticed that just below me (under the bridge) was situated bow boat, sailing directly under the bridge. For how long, the boat will be on second side?
How will the solution be different if I go on evenly, from a case if I stood on the spot?How to express numerically? It will be something very complicated geometry, or what will?

Thanks very much... And sorry for my bad English.
 
Physics news on Phys.org
Hi Numeriprimi! :smile:

If you are walking across the bridge, and the boat is sailing along the river,

then i don't see how your speed will make any difference to when any part of the boat crosses under the bridge. :confused:
 
How does the boat know you are there?
 
I recommend using vector analysis in 3 dimensions.
 

Similar threads

High School Need help explaining river-boat problems
  • · Replies 26 ·
Replies
26
Views
7K
High School Can a Bridge Sing? Solve the Mystery!
  • · Replies 11 ·
Replies
11
Views
3K
How Does Bow Wave Angle Correlate with Boat Speed on a Catamaran?
  • · Replies 4 ·
Replies
4
Views
13K
Undergrad Average of prime factors growth
  • · Replies 12 ·
Replies
12
Views
2K
High School Is it safe to fly in a spinning hollow asteroid?
  • · Replies 39 ·
2
Replies
39
Views
2K
History Most Lucrative Criminal Act Of All Time
  • · Replies 1 ·
Replies
1
Views
943
High School The Problem That Riddles Any Radical Thinker: WTH Is Energy
  • · Replies 23 ·
Replies
23
Views
3K
High School What is the usefulness of formal logic theory?
  • · Replies 1 ·
Replies
1
Views
3K
High School What was matter like during the GUT and Electroweak Epochs?
  • · Replies 17 ·
Replies
17
Views
3K
Python Python - trajectory of a mass in a gravitational frield
  • · Replies 5 ·
Replies
5
Views
3K