Two football fans are listening to a Grey Cup game on radio, one in Montreal where it is being played, and the other in the Northwest Territories, 6000 km away. The distant signal is transmitted by microwaves using a communications satellite at an altitude of 36000 km. Making whatever assumptions seem reasonable, determine how much sooner the fan in Montreal hears the results of any play

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.