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A crane lifts an 8-m long steel girder weighing 1600 N up 12 m off the ground. The
crane did
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Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

Area around a charged object where the objects can exert a force on another charged objects is an electric

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.