Exercise on Kinetics using derivatives.

[timpap]

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

 

[kuruman]

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.

 

[timpap]

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