Answers to practice exam-I (PHYS-201, Spring 2004)

 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