Physics, 04.05.2021 22:20 sadieanngraham15
Calculate the speed of a radio wave traveling through space if it has a wavelength of 6.35 x 10^-7meters. Please use correct scientific notation when appropriate and use the following format with correct units!! 4.2 x 10^-14 Hz. You may round to the nearest hundredth.
Answers: 3
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.
Answers: 2
Physics, 23.06.2019 12:30
The earth's magnetic field, with a magnetic dipole moment of 8.0×1022am2, is generated by currents within the molten iron of the earth's outer core. suppose we model the core current as a 3000-km-diameter current loop made from a 1000-km-diameter “wire.” the loop diameter is measured from the centers of this very fat wire.to decide whether this is a large or a small current density, compare it to the current density of a 7.0 a current in a 2.0-mm-diameter wire.
Answers: 3
Calculate the speed of a radio wave traveling through space if it has a wavelength of 6.35 x 10^-7me...
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