Jane is in a shiny sports car at the top of a 100m vertical cliff over looking the Pacific Ocean. It has a potential energy of 20,000 J relative to the ground below. Unfortunately, Jane while looking at the scenery, takes her foot off the brake and it rolls over the cliff. When it is halfway to the ground, its kinetic energy is? Gravity= 10 m/s2. KE=1/2*m*V2
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Jane is in a shiny sports car at the top of a 100m vertical cliff over looking the Pacific Ocean. It...
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