Physics, 15.07.2021 04:30 aiti48

Cho hai quả cầu nhỏ điện tích q1=9uC và q2=4uC đặt cách nhau 10cm trong không khí a. Tính lực tương tác giữa hai điện tích
b. Khi đặt hai quả cầu phải bằng bao nhiêu để lực tương tác không đổi

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Cho hai quả cầu nhỏ điện tích q1=9uC và q2=4uC đặt cách nhau 10cm trong không khí a. Tính lực tương...

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