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When you turn on a battery-operated device, an electrical circuit is
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Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.
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Physics, 22.06.2019 21:30
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.
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Physics, 22.06.2019 22:00
Hat is the most commonly cited cause of occupational injuries in the healthcare sector? a. repositioning of patients b. manual pipetting c. slips and trips d. workplace violence
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Sound travels through water at a speed of 1500 m/s. If the frequency of a sound is 1000 Hz, what is...
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