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If a spring has a k value of 100 newtons per meter and it is stretched 0.50 meters, what is the restoring force of the spring?
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The magnetic field inside a superconducting solenoid is 4.50 t. the solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. determine (a) the magnetic energy density in the field and (b) the energy stored in the magnetic field within the solenoid.
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If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?
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Which of the following is the best definition of force? a. attraction between all objects in the un...
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