Evaluate what is the mass of the second car

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Q. A 9900 kg boxcar traveling at 14 m/s strikes a second boxcar at rest. The two stick together and move off with a speed of 4.0 m/s. What is the mass of the second car?

Q. A woman weighing 580N does a pushup from her knees as shown. what are the normal forces of the floor on each of her hands?


Reference no: EM13116372

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