Recent content by abe_thebabe

  1. A

    How to Calculate Equivalent Resistance in a Series-Parallel Circuit

    Find Req R3 and R4 = (1/R3 +1/R4)^-1 Find Req R2 R3 and R4 = (1/R3 +1/R4)^-1 + R2 Find Req R2 R3 R4 R5 R6 = (1/((1/R3 +1/R4)^-1 + R2) + 1/(R5+R6))^-1 Req = (1/((1/R3 +1/R4)^-1 + R2) + 1/(R5+R6))^-1 + R1 + R7
  2. A

    Circular Motion Energy/Binary Star problem

    Homework Statement Show that Total energy of this system is given by E=(-432(r^5)(pi^4))/(G*T^4) http://img189.imageshack.us/img189/7325/38899527.png Homework Equations F=GMm/r^2 F=mv^2/r T=2(pi)r/VThe Attempt at a Solution [PLAIN][PLAIN]http://img97.imageshack.us/img97/7766/27047783.png