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An AM radio station broadcasts at 750 kHz.
a) What is the wavelength of the radio wave in air?
b) If the radio wave is tuned to this station and the inductance circuit is 0.10 mH, what is the capacitance in the tuning circuit?
c) In the vicinity of the radio, the amplitude of the electric field is 040 V/m. The radio uses a coil of radius 1.8 cm with 60 turns. What is the maximum emf induced in the coil, assuming that it oriented for best reception? Assume that the electric fields are sinusoidal functions of time.
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A 12 gram bullet is fired into a 100 gram wooden block initially at rest on a horizontal surface. Find the speed of the bullet and block immediately after impact
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1. a hydraulic lift system can hold up t o 400000 n 80000 lbs. the maximum pressure in the system is 8000000 pa 1200
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A hydrogen atom is in its ground state when its electron absorbs a 48 keV photon. What's the energy of the resulting free electron
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A power station delivers 510 kW of power at 12,000 V to a factory through wires with total resistance 3.5 . How much less power is wasted
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