Recent content by joy

Thanks for your help! I have tried to use energy but it is still difficult. I realized though, that it is maybe a problem that needs oscillation...

Hi! I haven't done anything with the following problem because I really don't know where to start from. My book doesn't give any guideline. The only thing I am aware of is F=-Kx and E=Kx^2/2 but I cannot use them to proceed in some way. '' A spring of length l it is consisted of 2...