A teenager with mass of 51 kg pushes backward against the ground with her foot as she rides her skateboard. This exerts a horizontal force of magnitude Fpush. When a frictional force of 2.3 N is present the skateboard accelerates at 0.198 m/s2. If the skateboard has a mass of 2.1 kg, what is the magnitude of Fpush? Answer in N.
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One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?
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Since the energy was not raising the temperature of the water during these segments, what was the energy used to do instead? your answer must include an explanation of what is happening to the molecules.
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A teenager with mass of 51 kg pushes backward against the ground with her foot as she rides her skat...
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