Modern Physics (S. Theory of relativity) problem

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SUMMARY

The discussion focuses on calculating the force required to accelerate a proton at 1.0 x 1019 m/s2 using the equation P = mλu. The user derived the force as F = mλa but faced rejection from the school software. The correct approach involves applying the product rule to differentiate the momentum expression, considering that the gamma factor λ is dependent on the velocity u. This indicates that the user must correctly account for the relativistic effects when calculating the force.

PREREQUISITES
  • Understanding of relativistic momentum (P = mλu)
  • Knowledge of the product rule in calculus
  • Familiarity with the concept of gamma factor (λ) in special relativity
  • Basic principles of force and acceleration in physics
NEXT STEPS
  • Study the application of the product rule in differentiation
  • Learn about the gamma factor (λ) and its role in relativistic physics
  • Explore the relationship between force, momentum, and acceleration in special relativity
  • Review examples of force calculations in relativistic contexts
USEFUL FOR

Students studying physics, particularly those focusing on modern physics and special relativity, as well as educators looking for problem-solving strategies in relativistic mechanics.

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Homework Statement



Find the force necessary to give a proton an acceleration of 1.0 10e19 m/s2 when the proton has the following velocities (along the same direction as the force).

Homework Equations


P=mλu


The Attempt at a Solution


Found the derivative of the above equation and got F=mλa, but my answers are been rejected by the school software. I don't know what I did wrong please help.
 
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The gamma factor λ depends on u. Since p is proportional to the product of λ and u, you'll need to use the product rule when taking the derivative dp/du in the expression F = dp/dt = (dp/du)(du/dt)
 
Last edited:

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