Starting at (0,0) an object travels 36 meters north and then it covers 20 meters east. What is the magnitude and direction of its displacement? (

In which of the following is positive work done by a person on a suitcase

Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?

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.