1. Which has the least kinetic energy?(A)a 1200 kg object moving at 90 km/hr(B) a 1400 kg object mov
問題詳情
1. Which has the least kinetic energy? (A)a 1200 kg object moving at 90 km/hr (B) a 1400 kg object moving at 85 km/hr (C) a 1600 kg object moving at 80 km/hr (D) a 1800 kg object moving at 75 km/hr