What are the original speeds

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Reference no: EM1382678

Q. A father racing his son has 1/4 the kinetic energy of the son, who has 1/3 the mass of the father. The father speeds up by 1.5 m/s and then has the similar kinetic energy as the son. What are the original speeds of (a) father and (b) son?

Reference no: EM1382678

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