Answers to recent HW

1. a.  11.86 years

b.  24.77 m/s/s

c.  approx 13,000 m/s

d.  4.2 x 10^23 N

e and f.  5.151 AU and 5.249 AU

2.  Assume that the net force is 75 N.  I'll let you know if this is the case otherwise on the test.

a.  a = 1875 m/s/s, so Vf = 188 m/s

b.  1794 m

c.  19 sec