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Two identical cars are traveling at the same speed. One is heading due east and the other due north, as the drawing shows. Which statement is true regarding the kinetic energies and momenta of the cars?
(a) They both have the same kinetic energies and the same momenta.
(b) They have the same kinetic energies, but different momenta.
(c) They have different kinetic energies, but the same momenta.
(d) They have different kinetic energies and different momenta. |
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