HW #8-problems

# HW #8-problems - clark(twc484 HW#8 Antoniewicz(56495 This...

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clark (twc484) – HW #8 – Antoniewicz – (56495) 1 This print-out should have 19 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 (part 1 of 3) 4.0 points An AC power supply with a maximum po- tential of 45 V is across a series RLC circuit, where the inductance is 13 mH, the capaci- tance is 50 nF, the resistance is 16 Ω. Find the resonant frequency. Answer in units of kHz. 002 (part 2 of 3) 3.0 points Find the amplitude of the current at the res- onant frequency. Answer in units of A. 003 (part 3 of 3) 3.0 points Find the amplitude of the voltage across the inductor at resonance. Answer in units of V. 004 10.0 points Consider the circuit shown in the figure, with resistance 1010 Ω and and capacitance 0 . 0482 μ F. V in R C V out Calculate the ratio V out /V in for angular ve- locity 308 rad / s. 005 (part 1 of 3) 4.0 points A star of mass M generates an average power output W of electromagnetic radiation. A small spherical particle of radius r is a dis- tance R away from the star. This particle is black and has a density of ρ . The gravitational force on the particle (of radius r ) is given by 1. G M R 3 2. 4 π G M ρr parenleftBig r R parenrightBig 3 3. 4 3 π G M ρ r parenleftBig r R parenrightBig 2 4. G M ρ r parenleftBig r R parenrightBig 3 5. 4 π G M ρ r parenleftBig r R parenrightBig 2 6. G M ρ r parenleftBig r R parenrightBig 2 006 (part 2 of 3) 3.0 points The force due to the radiation pressure on the particle is given by 1. W 4 c parenleftBig r R parenrightBig 2 2. W 4 π c parenleftBig r R parenrightBig 2 3.

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