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In a seismic event,two types of waves are created,a P-wave (longitudinal) and an S-wave (transverse) .The waves travel at speeds of 8 km/s and 5 km/s respectively.At a monitoring station,a P-wave is observed 10 s before the S-wave.How far is the seismic activity from the station? Assume that the waves travel in a straight line.
Advisory Panel
A group of experts gathered to provide advice and recommendations on specific issues to organizations or governments.
Rock Hudson
An American actor famous for his leading roles in film and television during the mid-20th century, whose death in 1985 brought attention to the AIDS epidemic.
Strategic Defense Initiative
A proposed missile defense system announced by President Ronald Reagan in 1983, intended to protect the United States from attack by ballistic strategic nuclear weapons.
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Ballistic missiles developed and deployed by the Soviet Union during the Cold War, which were central to the nuclear arms race between the Soviet Union and the United States.
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