A certain car battery with a 12.0 v emf has an initial, Ask an Expert

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Q1. How much resistance must be inserted in μA circuit has L = 12.6 mH and C = 1.15

the circuit to reduce the (undamped) resonant frequency by 0.01 percent?

Q2. A horizontal rope is tied to a 51.0 box on frictionless ice. What is the tension in the rope if: The box moves at a steady = 5.20? The box = 5.60 and = 5.70?

Q3. A certain car battery with a 12.0 V emf has an initial charge of 178 A•h. assume that the potential across the terminals stays constant until the battery is totally discharged, for how long in hours can it deliver energy at the rate of 115 W.

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