Physics, 13.06.2021 22:50 sweetiezylp8umho
Một quả cầu kim loại có bán kính R= 20cm, mang điện tích q = 4.10 -7 C phân bố đều, đặt trong
không khí. Hãy xác định:
a) Mật độ điện mặt của quả cầu.
b) Năng lượng điện trường của quả cầu tích điện.
Answers: 2
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Hunter’s velocity was 4.5 m/s. at the end of his race, his velocity was the same. which best describes his movement? his movement stopped. his acceleration is zero. his time was constant. his acceleration was positive.
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Một quả cầu kim loại có bán kính R= 20cm, mang điện tích q = 4.10 -7 C phân bố đều, đặt trong
không...
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