1.) TFTFFT 2.) (a) 2.3s (b) 15.2m/s (c) 27.2m/s 3.) (a) 90m (b) 0.66 (c) 123.1m 4.) (a) 6m/s^2 (b) 42N 5.) (a) 26.3m/s (b) 1.9rot/s (c) Fc=mv^2/r: smaller r implies decrease in v at fixed Fc 6.) 11persons