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 1.7 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 ! Units m/s (b) Number i ! Units m/s > >

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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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 1.7 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
!
Units
m/s
(b) Number
i
!
Units
m/s
>
>
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 1.7 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 ! Units m/s (b) Number i ! Units m/s > >
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