Two coupled boxcars are rolling along at 2.5 m/s when they collide with and couple to a third, stationary boxcar. All three boxcars have the same mass. a) What is the final speed of the three boxcars? b) What fraction of the cars’ initial kinetic energy is transformed into thermal energy?
Two coupled boxcars are rolling along at 2.5 m/s when they collide with and couple to a third, stationary boxcar. All three boxcars have the same mass. a) What is the final speed of the three boxcars? b) What fraction of the cars’ initial kinetic energy is transformed into thermal energy?
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Two coupled boxcars are rolling along at 2.5 m/s when they collide with and couple to a third, stationary boxcar. All three boxcars have the same mass.
a) What is the final speed of the three boxcars?
b) What fraction of the cars’ initial kinetic energy is transformed into thermal energy?
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