A railroad freight car of mass 318x104 kg collides with a
A railroad freight car of mass 3.18x104 kg collides with a stationary caboose car. They couple together,and 27.0 o/o of the initial kinetic energy is transfe rred to thermalenergy, sound vibrations and so on. Find the mass of the caboose.
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a 1200-kg station wagon is moving along a straight highway at 120 ms anothe r carw ith mass 1800kg and speed 200 ms has
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a 60 kg box sled is moving across frictionless ice at a speed of 90 ms when a 12 kg package which is initially at rest
a railroad freight car of mass 318x104 kg collides with a stationary caboose car they couple togetherand 270 oo of the
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