Rocket-Powered Dragsters: Faster than Wheel-Driven?

  • Context: Undergrad 
  • Thread starter Thread starter Mohd Abdullah
  • Start date Start date
  • Tags Tags
    Rocket Wheel
Click For Summary

Discussion Overview

The discussion revolves around the comparison between rocket-powered dragsters and wheel-driven vehicles, particularly focusing on the role of weight in determining speed and acceleration. Participants explore concepts related to acceleration, power, and the physics of high-speed motion, including references to specific examples like Top Fuel dragsters and theoretical scenarios involving lightweight objects.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification
  • Debate/contested
  • Mathematical reasoning

Main Points Raised

  • Some participants suggest that weight does not significantly affect the acceleration of rocket-powered vehicles, while others question this assumption.
  • There is a discussion about the implications of Newton's Laws on acceleration and weight.
  • Participants raise hypothetical scenarios about lightweight objects achieving high speeds and the power required for such motion.
  • Some contributions mention specific examples of particles and their speeds, such as protons in the LHC and cosmic rays, to illustrate points about speed and mass.
  • Calculations are presented comparing the acceleration of dragsters and bullets, highlighting the differences in g-forces experienced.
  • Concerns are raised about the definitions of energy and power in the context of the discussion, with clarifications made regarding units of measurement.
  • Participants discuss the impact of weight on performance in drag racing, referencing changes in regulations and the design of high-speed vehicles.

Areas of Agreement / Disagreement

Participants express differing views on the role of weight in determining acceleration and speed, with no consensus reached on whether lighter objects can outperform heavier ones under similar power conditions. The discussion remains unresolved with multiple competing perspectives presented.

Contextual Notes

Some participants reference specific calculations and examples without fully resolving the underlying assumptions or dependencies on definitions, particularly regarding energy and power. The discussion includes various hypothetical scenarios that may not be directly applicable to real-world situations.

Who May Find This Useful

This discussion may be of interest to those exploring the physics of high-speed vehicles, drag racing dynamics, and the principles of acceleration and mass in the context of rocket propulsion and other high-energy scenarios.

  • #31
CWatters said:
The inside of a black hole.

So, we can record and take a picture of light in vacuum? I thought light don't actually accelerating because light is supposed to be already there even before we started to record or take a picture of it.
 

Similar threads

  • · Replies 69 ·
3
Replies
69
Views
17K
  • · Replies 10 ·
Replies
10
Views
3K
  • · Replies 17 ·
Replies
17
Views
3K
  • · Replies 12 ·
Replies
12
Views
3K
  • · Replies 12 ·
Replies
12
Views
2K
  • · Replies 175 ·
6
Replies
175
Views
35K
  • · Replies 124 ·
5
Replies
124
Views
20K
  • · Replies 14 ·
Replies
14
Views
2K
  • · Replies 2 ·
Replies
2
Views
10K
  • · Replies 8 ·
Replies
8
Views
6K