
An astronaut is connected to her spacecraft by a 25-m-long tether cord as she and the spacecraft orbit Earth in a circular path at a speed of 3.0 × 105 m/s. At one instant, the voltage measured between the ends of a wire embedded in the cord is measured to be 0.45 V. Assume the long dimension of the cord is perpendicular to the vertical component of Earth’s magnetic field at that instant. (a) What is the magnitude of the vertical component of Earth’s field at this location? (b) Does the measured voltage change as the system moves from one location to another? Explain.

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Chapter 20 Solutions
Bundle: College Physics, Loose-Leaf Version, 11th + WebAssign Printed Access Card for Serway/Vuille's College Physics, 11th Edition, Multi-Term
- A capacitor with a capacitance of C = 5.95×10−5 F is charged by connecting it to a 12.5 −V battery. The capacitor is then disconnected from the battery and connected across an inductor with an inductance of L = 1.55 H . At the time 2.35×10−2 s after the connection to the inductor is made, what is the current in the inductor? At that time, how much electrical energy is stored in the inductor?arrow_forwardCan someone help me with this question. Thanks.arrow_forwardCan someone help me with this question. Thanks.arrow_forward
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