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Physics, 28.07.2021 03:10, phyllides4930
Hai quả cầu kim loại mang các điện tích lần lượt là q1 và q2 cho tiếp xúc nhau sau đó chúng tách ra thì mỗi quả cầu mang điện tích?
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Answers: 3
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Physics, 21.06.2019 17:00, brookemcelhaney
What is the function of the commutator in a dc motor? a. to spin the magnet b. to change direct current into alternating current c. to change alternating current into direct current d. to spin the wire coil
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Physics, 21.06.2019 19:40, tmark45
Ogle–2013–blg–0723 is an exoplanet that is similar to earth in size and proximity to its star. this exoplanet has mass m=4.18×1024kg and radius r=5.66×106m. an astronaut whose weight on earth is w=735n lands on the planet. a. calculate m, the mass of the astronaut. b. calculate gp? , the acceleration due to gravity on the surface of ogle–2013–blg–0723. c. calculate wp? , the weight of the astronaut on the surface of ogle–2013–blg–0723. d. calculate v, the minimum velocity required to put an object into orbit above ogle–2013–blg–0723. e. calculate t, the time required to complete an orbit around ogle–2013–blg–0723.
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Hai quả cầu kim loại mang các điện tích lần lượt là q1 và q2 cho tiếp xúc nhau sau đó chúng tách ra...
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