Determine the original speed of the father

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A father racing his son has three-fifths the kinetic energy of the son, who has two-fifths the mass of the father. The father speeds up by 2.5 m/s and then has the same kinetic energy as the son.

(a) What is the original speed of the father?

(b) What is the original speed of the son?

Reference no: EM13333496

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