The body moves along a horizontal plane rectilinearly with a speed v0 = 30.0 m/s. After t1 = 20.0 s after the start of the action of a constant force, it acquires a speed v1 = 20.0 m/s, directed in the opposite direction. Find the module of displacement made by the body during this time, the distance traveled by the body and the module of acceleration.
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