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  3. a father racing his son has 1/ 4 the kinetic energ

A father racing his son has 1/ 4 the kinetic energy of the son, who has...

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Physics

A father racing his son has 1/ 4 the kinetic energy of the son,who has 1/ 3 the mass of the father. The father speeds up by 1.4m/s and then has the same kinetic energy as the son. What are theoriginal speeds of (a) the father and (b) the son?

Answer & Explanation Solved by verified expert
3.7 Ratings (304 Votes)
Kinetic energy of an object having mass m and speed v isgiven byLet the initial kinetic energy mass and the initial speed ofthe father is M and    See Answer
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