Physics, 13.03.2020 19:49 gabbym39077
A 56-kg student runs at 6.0 ms, grabs a hanging 10.0-m-long rope, and swings out over a lake (Fig. 6β50). He releases the rope when his velocity is zero. (a) What is the angle u when he releases the rope? (b) What is the tension in the rope just before he releases it? (c) What is the maxi- mum tension in the rope during the swing?
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Physics, 21.06.2019 23:30
Aquarterback pedals 3.3meters southward and then run 5.7meters northward. whats the distance ? and whats the displacement?
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Physics, 22.06.2019 13:30
Global warming will produce rising sea levels partly due to melting ice caps but also due to the expansion of water as average ocean temperatures rise. to get some idea of the size of this effect, calculate the change in length of a column of water 1.00 km high for a temperature increase of 1.00ΒΊc. note that this calculation is only approximate because ocean warming is not uniform with depth. (answer in Γ10^{-3} β3 m)
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Physics, 22.06.2019 14:40
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.
Answers: 1
A 56-kg student runs at 6.0 ms, grabs a hanging 10.0-m-long rope, and swings out over a lake (Fig. 6...
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