Physics, 29.11.2021 01:00, anzeller6363
A 7000-W engine is propelling a speedboat at 30 km/h. What
force is the engine exerting on the speedboat? What force is
water resistance exerting on the speedboat? What part of the
engine’s power is used to overcome this resistance?
Answers: 2
Physics, 22.06.2019 13:40, sbudlove2838
What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th
Answers: 1
Physics, 22.06.2019 21:30, missy9225
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.
Answers: 2
A 7000-W engine is propelling a speedboat at 30 km/h. What
force is the engine exerting on the spe...
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