What are the original speeds of the father and son

Reference no: EM13253753

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 1.3 m/s and then has the same kinetic energy as the son. What are the original speeds of

(a) the father and

(b) the son?

Reference no: EM13253753

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