420420blazee
07.03.2020 •
Physics
Railroad car A rolls at a certain speed and collides inelastically with car B of the same mass. After the collision the cars stick together.
How does their speed after the collision vAB compare with the initial speed of car A vA0?
Express your answer using two significant figures.
vAB/vA0=
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Ответ:
264 kg*m/s
Explanation: