Exercise on Kinetics using derivatives.

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SUMMARY

The discussion focuses on solving a kinetics problem involving the acceleration of a body defined by the equation a = -K*u^2, where K is a constant. The user successfully derived the velocity function V(t) and the position function X(t) through integration techniques. The user emphasized the importance of showing relevant equations and prior attempts when seeking help in forums. The solution process involved manipulating the acceleration equation and applying integrals to find the desired functions.

PREREQUISITES
  • Understanding of basic calculus, specifically integration techniques.
  • Familiarity with the concepts of acceleration, velocity, and position in physics.
  • Knowledge of differential equations and their applications in motion problems.
  • Experience with the notation and terminology used in physics equations.
NEXT STEPS
  • Study the derivation of velocity and position functions from acceleration equations in classical mechanics.
  • Learn about integrating differential equations in the context of motion problems.
  • Explore the implications of non-linear acceleration functions, such as a = -K*u^2.
  • Practice solving similar kinetics problems using different initial conditions and constants.
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Students studying physics, particularly those focusing on mechanics, as well as educators and tutors looking for examples of solving kinetics problems using calculus.

timpap
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Homework Statement


The acceleration of a body is defined as a=-K*u^2 , K is const. When t=o sec V=Vo.
Find : a) V(t) b) X(t) c) V(x) .

Homework Equations





The Attempt at a Solution

 
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Hi timpap and welcome to PF. Please follow the rules of this forum and use the template when you seek help with homework. Show us the relevant equations and tell us what you tried and what you think about the problem. We just don't give answers away.
 
ok! I actually solved the exercise.
Here it goes!

a=du/dt => a/du=1/dt => du/a=dt => using integrals S 1/a du = S dt . You solve the integral and its over. Pretty easy but i got stuck with it :P
 

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