Acar makes a trip due north for three-fourths of the time and due south one-fourth of the time. the average northward velocity has a magnitude of 31 m/s, and the average southward velocity has a magnitude of 43 m/s. taking northward to be the positive direction, what is the average velocity for the trip?
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The mini-refrigerator fire was most likely caused by what type of wiring?
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Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.
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A5 foot by 5 foot box culvert is buried 6 feet beneath the surface of the ground. a crosssection of this very long culvert (into and out of the page) is illustrated below. assume that the soil in which the culvert is buried has the following properties: jt = 120 pcf, w = 12%, ko = 0.50, ka = 0.33, and kp = 3.00. calculate the total horizontal force per unit length of culvert (fh) felt on one of the vertical faces of the culvert.
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Acar makes a trip due north for three-fourths of the time and due south one-fourth of the time. the...
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