13.16 3e-10 N
13.68
a : 92min
b : 7.67e3 m/s
c : 5.77e10 J
d : -1.18e11 J
e : -6.0e10 J
f : 6.64e6 m
g : new period ~89min; difference ~150 sec. Since Picard was initially behind by 90s, this means he is now ahead by about a minute or so.
I should double-check my numbers on #68, since I did it a bit quickly ... but I believe they are correct. Update: they are correct after a double check, except g) is closer to a minute.
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