What characterizes a post-industrial society?
a) the number of people living in urban a...
Physics, 19.12.2019 06:31 nattalliiee67
What characterizes a post-industrial society?
a) the number of people living in urban areas is between 95 to 100 percent.
b) there is a balance between the numbers of people engaged in agriculture and in manufacturing.
c)there is a complete automation of agricultural and industrial activities.
d)the major part of economic activity focuses on information, knowledge, and the service industry.
Answers: 1
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Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.
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Adolphin emits ultrasound at 100khz and uses the timing of reflections to determine the position of objects in the water. part a what is the wavelength of this ultrasound? assume that temperature of water is 20 degrees c. answer in cm
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