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the area between the graph line and the axis of the velocity time graph gives the displacement
the displacement =area of the trapezium
=1/2×(4+4+x)×15
120=1/2(8+x)15
240=8+x/15
8+x=16
x=8
the time for which. the body goes retardation is = 8
the displacement =area of the trapezium
=1/2×(4+4+x)×15
120=1/2(8+x)15
240=8+x/15
8+x=16
x=8
the time for which. the body goes retardation is = 8
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