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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, 23.06.2019 02:00
Estimate the kinetic energy of mars with respect to the sun as the sum of two terms, that due to its daily rotation about its axis, and that due to its yearly revolution about the sun. (assume mars is a uniform sphere with mass = 6.4Ă—10 to the power of 23 kg, radius = 3.4Ă—10 to the power of 6 m, rotation period = 24.7 hours, orbital period = 686 days and is 2.3Ă—10 to the power of 8 km from the sun.)
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Physics, 23.06.2019 02:30
Substances that assume the shape of their container, but do not have a definite size are called
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