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An astronaut is connected to her spacecraft by a 35-m-long tether cord as she and the spacecraft orbit Earth in a circular path at a speed of 6.3 103 m/s. At one instant, the voltage measured between the ends of a wire embedded in the cord is measured to be 0.44 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.
At a distance of several kilometers from a radio transmitter, the electric field of the emitted radio wave has a magnitude of 0.12 V/m at one instant of time
An artificial satellite circles the Earth in a circular orbit at a location where the acceleration due to gravity is 4.50 m/s2
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Many people mistakenly believe that the astronauts orbiting the earth are "above gravity." Compute the acceleration because of gravity, g, for space shuttle territory, 245 kilometres above the earth's surface (dashed line in sketch). Earth's mass ..
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A thin uniform rod (length = 2.01 m, mass = 3.11 kg) is pivoted about a horizontal frictionless pin through one of its ends. What is the angular acceleration of the rod at the instant it is released
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