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# A parachutist after bailing out falls 50 m without friction. When parachute opens, it decelerates at $2 m/s^2$. He reaches the ground with a speed of 3 m/s. At what height, did he bail out $(g=10 m/s^2)$

$(a)\;91\;m \quad (b)\;182\; m \quad (c)\;111\;m \quad (d)\;293\;m$