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In a chamber moving with acceleration a= 3 (m/s) on a horizontal frictionless plane, two disks are
thrown towards each other simultaneously on the ground with velocities vz=0.4 (m/s) and v2=0.8 (m/s).
The velocities of the discs are relative to the room and the room floor is frictionless. After how many
seconds do the two balls meet?
4 (m)

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