Find after how many seconds will two stones pass each other

Reference no: EM13490139

A boy drops a stone vertically down from the margin of a 24-m cliff. At the same moment, his friend at the bottom of the cliff throws another stone vertically upward with an initial velocity of 12 m/s. After how many seconds will the two stones pass each other, given gravitational acceleration g=10m/s^2?

Reference no: EM13490139

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