Revision Definition and 52 Threads

I am doing some revision for physics and can't evaluate these questions, can anybody help or give a formula. Q1. A mass of 2.2 Kg is suspended from a spring of spring constant K = 25 Nm^-1 What is the initial extension? Q2. The mass (in Q1) is pulled down a further 5cm and released...

OK, i need to know everything about the Eukaryotic Cell Cycle : In detail. So this is whereI am going to post what I learn as I go, and where any of you lovely people can post stuff that you know that you think might help me If you have any links to good cell cycle websites, then feel free...