I am being physically abused...but i keep talking myself out of taking action?

My dad punches me, kicks me, pulls my hair etc. I already packed my bags to go live with a family friend (My dad said he didnt care if i ran away) i just am scared. Like i keep saying "I can deal with the abuse for three more years" (im 15) but i know i deserve better. Fear is basically controlling me. I keep thinking up the worst scenario possible, where the family friend wont take me in and ill be sent away to a different country to live wth a super strict family. AH! Encouagment to do the right thing, please? thanks