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[" A paractutist after bailing out falls "50m" without friction."],[" When parachute opens,it decelerates at "2ms^(-2)." He reaches "],[" the ground with a speed of "3ms^(-1)" .At what height,did he "],[" bet our? "],[[" (a) "91m," (b) "182m],[" (c) "293m," (d) "111m]]

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