6. Work, Energy Power 功,能和功率 Work 功 Forces that Vary 會變化的力 Kinetic Energy 動能 Power 功率 What’s the speed of these skiers at the bottom of the slope? 這兩個滑雪人抵達山坡底時的速率為何? Does the work of climbing a mountain depend on the route chosen? 爬一個山所作的功...
一、能量守恒(Energy conservation) 能量不会凭空产生,也不会凭空消失,只会由一种能量转变为另一种能量; 考试主要涉及两种能量转换类型: 1)当物体只受重力时,物体的机械能守恒,即KE和GPE守恒: mgh_{1}+\fra…
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Using innovative approaches, Microsoft has been demonstrating how datacenters can conserve power, reduce emissions and even contribute energy back to the grid. In Finland, waste heat from two new datacenters will contribute to the district heating system that provides ...
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