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[" (3) "4m/s^(2)],[" 4stone is dropped f...

[" (3) "4m/s^(2)],[" 4stone is dropped from a building,and "2" seconds "],[" later another stone is dropped.(Both a are dropped "],[" from rest.) How far apart are the two stones by the "],[" time the first one has reached a speed of "30m/s" ? "],[(1)80m" ( "2)100m" (3) "60m" (4) "40m]

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