本题目来源于试卷: Physics Unit17: Electric Potential，类别为 国际高中通用物理
[单选题]
A 4.0-g object carri 6zpxe em 4k +;bgo0xny(f 9az7cqjpg38x1dm5 2 wypue0+kj9oes a charge of 20 mC. The object is accelerated from rest through a potential difference, and afterward the ball is moving at 2.0 m/s. What is the magnitude of the potential uek029wo+j pydifference?
A. $800 \; kV$
B. $400 \; kV$
C. $800 \; V$
D. $400 \; V$
参考答案: D
本题详细解析:
暂无
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