Arunner sprints around a circular track of radius 120 m at a constant speed of 7 m/s. the runner's friend is standing at a distance 240 m from the center of the track. how fast is the distance between the friends changing when the distance between them is 240 m? (round your answer to two decimal places.)
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=force × distance a. work b. velocity c. pressure d. momentum
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Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z
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Consider an insulating crystal, made up of layers of atoms. what form would you expect the temperature dependence of the phonon heat capacity to approach at extremely low temperatures if the interlayer coupling is i)very strong (rigid coupling), and ii) very weak. explain.
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Arunner sprints around a circular track of radius 120 m at a constant speed of 7 m/s. the runner's f...
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