Physics, 13.08.2019 05:20 bobyjoetato4599
To support a tree damaged in a storm, a 12-foot wire is secured from the ground to the tree at a point 10 feet off the ground. the tree meets the ground at a right angle. at approximately what angle does the wire meet the ground?
a)33.6°
b)39.8°
c)50.2°
d)56.4°
Answers: 1
Physics, 22.06.2019 12:20
Electric field of the earth. the earth has a net electric charge that causes a field at points near its surface equal to 150 n> c and directed in toward the center of the earth. (a) what magnitude and sign of charge would a 60-kg human have to acquire to overcome his or her weight by the force exerted by the earth’s electric field? (b) what would be the force of repulsion between two people each with the charge calculated in part (a) and separated by a distance of 100 m? is use of the earth’s electric field a feasible means of flight? why or why not?
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Physics, 22.06.2019 22:00
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Substances that assume the shape of their container, but do not have a definite size are called
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To support a tree damaged in a storm, a 12-foot wire is secured from the ground to the tree at a poi...
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