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| 1. |
Two trailers X with a mass of 500 kg and Y with a mass of 2000 kg are being pulled at the same speed. The ratio of kinetic energy of Y to that of X is? |
| Answer» 4 : 1 EXPLANATION:Y/X = 2000 / 500 ÷ 4: 1 as speed is equal they cancel to each other | |