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| 1. |
KE = 1/2 m2 1. You throw a ball with a mass of 2.1 kg. The ball leaves your hand at 30m/s.The ball hasenergy. Calculate it. |
| Answer» KE= 1÷2 Mv2if m=2.1kg V= 30 m/sthen KE =1/2×2.1×30×30 =935.0 | |