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Physics, 20.06.2021 18:30 KHaire2077

Một hạt có khối lượng m=1,16*10^-16 kg và điện tích q=5*10^9C chuyển động theo quỹ đạo tròn trong từ trường đều có độ lớn B=0,2T và có hướng vuông góc với mp quỹ đạo. Thời gian để hạt đi hết nửa đường tròn bằng

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Một hạt có khối lượng m=1,16*10^-16 kg và điện tích q=5*10^9C chuyển động theo quỹ đạo tròn trong từ...
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