Back to problem 1:
Is the answer to problem one 68,055,555 watts? Here is my process:
2.5 x 10^10 cc = 2.5 x 10^10 g = 25,000,000 kg * 9.8 N/kg = 245,000,000 N
(245,000,000N)(1,000m)/(3600 seconds) = 68,055,555 N*m/sec = 68,055,555 watts
Can someone please just tell me if I am right...