Physics, 06.10.2021 14:00 pierceybbpow8o39
Sharon is studying a tribal community in Central America. She observes that the children of the family call their mother and motherās sisters by the same term. Similarly, the children call their father and fatherās brothers by the same term. However, they call their motherās brothers and fatherās sisters by different terms, compared to their motherās sisters and fatherās brothers. They refer to their motherās sistersā children and their fatherās brothersā children by the same name as their siblings. However, when referring to their motherās brothersā and fatherās sistersā children, they use different names. Which type of kinship system is Sharon observing? A. Crow B. Eskimo C. Hawaiian D. Iroquois
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Physics, 22.06.2019 05:20
Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity
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Physics, 22.06.2019 13:00
At a certain instant after jumping from the airplane a, a skydiver b is in the position shown and has reached a terminal (constant) speed vb = 52 m/s. the airplane has the same constant speed va = 52 m/s, and after a period of level flight is just beginning to follow the circular path shown of radius Ļa = 2330 m. (a) determine the velocity and acceleration of the airplane relative to the skydiver. (b) determine the time rate of change of the speed vr of the airplane and the radius of curvature Ļr of its path, both as observed by the nonrotating skydiver.
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Physics, 22.06.2019 16:30
Large electric fields in cell membranes cause ions to move through the cell wall. the field strength in a typical membrane is 1.0 x 10 7 n/c. what is the magnitude of the force on a calcium ion with charge +e? what is its acceleration? is it possible for a particle with the same charge as as calcium to have a different acceleration if placed at this location? what would change the acceleration: mass of the particle? diameter of the particle?
Answers: 2
Physics, 22.06.2019 19:00
Friction removes energy from objects in motion. which statement best describes how this works? a) friction transforms ke into thermal energy b) friction transfers thermal energy to ke c) friction transforms te into pe d) friction transforms pe into ke e) friction transfers ke into pe
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Sharon is studying a tribal community in Central America. She observes that the children of the fami...
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