A small object and a medium object are both charged. I want to calculate the magnitude of the electric force on the small object due to the medium object. What do I need to know? a) The amount of charge they each have

b) The type (positive or negative) of charge they each have

c) The amount of mass they each have

d) The distance between their centers

A1500 w electric heater is plugged into the outlet of a 120 v circuit that has a 20 a circuit breaker. you plug an electric hair dryer into the same outlet. the hair dryer has power settings of 600 w, 900 w , 1200 w, and 1500 w. you start with the hair dryer on the 600 w setting and increase the power setting until the circuit breaker trips. under what setting does the circuit breaker trip.