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A father racing his son has two-fifths the kinetic energy of the son, who has three-fifths the mass of the father. The father speeds up by 1.0 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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Category:- Physics
Reference No.:- M9897042

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