Question: Two joggers, Jim and Tom, are both running at a speed of 4.00 m/s (see the figure). Jim has a mass of 90.0 kg, and

Two joggers, Jim and Tom, are both running at a speed of 4.00 m/s (see the figure). Jim has a mass of 90.0 kg, and Tom has a mass of 55.0 kg. Concepts: (i) Does the total kinetic energy of the two jogger system have a smaller value in part a or b of the figure, or is it the same in both cases? (ii) Does their total momentum have a smaller magnitude in part a or b of the figure, or is it the same for each? Calculations: Find the kinetic energy and momentum of the two-jogger system when
(a) Jim and Tom are both running due north as in part a of the figure,
(b) Jim is running due north and Tom is running due south, as in part b of the figure.

+4.00 m/s +4.00 m/s +4.00 m/s Tom Jim -4.00 ms linn Tom

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