Physics, 28.12.2019 00:31, jakalenn2018
You have two lightweight metal spheres, each hanging from an insulating nylon thread. one of the spheres has a net negative charge, while the other sphere has no net charge.
(a) if the spheres are close together but do not touch, will they
(i) attract each other,
(ii) repel each other, or
(iii) exert no force on each other
Answers: 2
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The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.
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Which of these activities increases the amount of carbon in the atmosphere?
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