Momentum at the speed of light

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SUMMARY

The discussion centers on the hypothetical scenario of an object reaching the speed of light and its implications on momentum. It concludes that achieving such speed would result in the object absorbing an infinite amount of energy, leading to infinite momentum. Consequently, this would render the object unchangeable in its trajectory, as no force could alter its course once it reaches this state.

PREREQUISITES
  • Understanding of Einstein's theory of relativity
  • Basic knowledge of momentum and energy concepts
  • Familiarity with the speed of light as a universal constant
  • Concept of infinite energy and its implications in physics
NEXT STEPS
  • Research Einstein's theory of relativity in detail
  • Explore the concept of momentum in relativistic physics
  • Investigate the implications of infinite energy in theoretical physics
  • Study the effects of approaching the speed of light on mass and energy
USEFUL FOR

Students of physics, theoretical physicists, and anyone interested in the implications of relativistic speeds and momentum in the context of modern physics.

blueberrynerd
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Hi! Need some help with this that's been plaguing my brain. :smile:

Hypothetically, if an object's speed were to be increased so as to reach the speed of light and let it gain maximum momentum, what would we perceive as happening to the object?
 
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blueberrynerd said:
Hi! Need some help with this that's been plaguing my brain. :smile:

Hypothetically, if an object's speed were to be increased so as to reach the speed of light and let it gain maximum momentum, what would we perceive as happening to the object?
You just made it absorb more than the energy of the universe so that it obtained an infinite momentum. Then there's nothing anymore that can make it change its course.
 

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