Physics, 15.06.2021 16:40, Dweath50

Cường độ điện trường tại điểm A cách điện tích Q một đoạn 30 cm có độ lớn là 4 500 V/m. Tính độ lớn của cường độ tại điểm B cách Q một đoạn 40 cm.

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Cường độ điện trường tại điểm A cách điện tích Q một đoạn 30 cm có độ lớn là 4 500 V/m. Tính độ lớn...