1.) TFFFFT
2.) (a) 63.4deg (b) 1.28s (c)
8m
3.) (a) 1.2m/s^2 (b) T up, mg down
(c) 8800N
4.) (a) 240m/s, 15.7deg (b) 73.1mi
5.) (a) 2.03*10^7m (b) 4.43*10^3m/s,
0.97m/s^2
6.) (a) F_N, f_k, mg (b) F_N=15N,
f_k=3.75N (c) a_x=4.42m/s^2 (d) 1.85m/s