Simple harmonic motion
A. occurs when there are no forces on the system
B. requires a constant force
C. requires a force which is not constant, but varies directly with position
D. requires a force which is not constant, but varies inversely with position
C. requires a force which is not constant, but varies directly with position
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Determining the velocity of an object influenced by a changing acceleration
A. Is easier using energy conservation B. Can be done using kinematics or conservation with equal difficulty C. Is easier using kinematics D. Is impossible
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A pulsar requires that a neutron star I. rotate rapidly. II. have a radius of at least 10 km. III. have a strong magnetic field. IV. rotate on an axis that is different from the axis of the magnetic field
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