P,Q & R are three balloons ascending with velocities U,4U, & 8U respectively. If stones of the same mass are dropped from each when they are at the same height then what will be the order of the stones reaching the ground. Will they reach the ground at the same time?

Asked by Kim | 14th Sep, 2013, 01:13: PM

Expert Answer:

Answered by  | 23rd Sep, 2013, 12:11: AM

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