Afan uses 7a when connected to a 110v line. if electric power costs 10 cents per kilowatt-hour in this location, what is the cost of running the fan for 13 hours?

Which of the following describe possible scenarios? a) an object has zero instantaneous velocity and non-zero acceleration. b) an object has negative acceleration and is speeding up. c) an object has positive acceleration and constant velocity. d) an object has positive velocity and zero acceleration. e) an object has increasing positive position and negative velocity. f) an object has decreasing positive position and negative acceleration.