A father racing his son has 1/2 the kinetic energy of the son, who has 1/3 the mass of the father. The father speeds up by 1.2 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? (a) Number i (b) Number Units Units ()
A father racing his son has 1/2 the kinetic energy of the son, who has 1/3 the mass of the father. The father speeds up by 1.2 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? (a) Number i (b) Number Units Units ()
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Transcribed Image Text:A father racing his son has 1/2 the kinetic energy of the son, who has 1/3 the
mass of the father. The father speeds up by 1.2 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?
(a) Number
(b) Number
i
Units
Units
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