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A father racing his son has one-third the kinetic energy of the son, who has one-third...

A father racing his son has one-third the kinetic energy of the son, who has one-third the mass of the father. The father speeds up by 1.6 m/s and then has the same kinetic energy as the son.

(a) What is the original speed of the father?
m/s

(b) What is the original speed of the son?
m/s

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