Both questions..# 10 an # 11
The coefficient of kinetic friction between a suitcase and the floor is 2.30, if the suitcase has a mass of 71.5 kg how far can it be pushed across the level floor A 0 35 kg pinecone falls 16 3 m to the ground, whore.t lands with a speed of 12 m/s. With what speed would the pinecone have landed If there had been no air resistance? Did air resistance do positive work, negative work, or zero work on the pinecone?
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