Modern Physics (S. Theory of relativity) problem

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  • #1
majormuss
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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.

Homework Statement





Homework Equations





The Attempt at a Solution

 

Answers and Replies

  • #2
TSny
Homework Helper
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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)
 
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