Physics, 13.12.2021 01:00 shelly1969
A father racing his son has one-third the kinetic energy of the son, who has three-fifths the mass of the father. The father speeds up by 3.8 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?
Answers: 2
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