物理 - 2026 进行中

科目: 物理
级别: VIII (I级最简单，XII级最难)
类别: 大学生
试题语言: English
题数: 15
问题示例: A satellite moves in a circular orbit around a planet. If its orbital radius is increased while its mass remains unchanged, which quantity decreases? Its gravitational potential energy, Its orbital period, Its orbital speed, Its distance from the planet's centre