Physics, 24.03.2020 03:59 malum2009

The parking brake on a 1000 kgkg Cadillac has failed, and it is rolling slowly, at 5 mphmph , toward a group of small children. Seeing the situation, you realize you have just enough time to drive your 2000 kgkg Volkswagen head-on into the Cadillac and save the children. With what speed should you impact the Cadillac to bring it to a halt?

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The parking brake on a 1000 kgkg Cadillac has failed, and it is rolling slowly, at 5 mphmph , toward...