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Q1. A train has a mass of 48.3 t and its force capability is rated at 22.40 kN. Assume the train experiences a force of friction of 10.12 kN, what is the magnitude and acceleration of the train? I really just need to know how to set up this equation.

Q2. You swing a 2.60 kg stone in a circle, using the full length of a thin 60.0 cm rope. At what speed must you swing it so its acceleration will be 9.8 m/s^2

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