Answers

2014-09-06T14:48:50+05:30
(g = gravitational force)
acceleration when stone is going up is a
acceleration when stone is released is g
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The acceleration of the stone would be g+a as the elevator is going up.
no the stone is released so only g
2014-09-06T15:00:48+05:30
The acceleration of the stone will e g+a as the elevator is moving up.

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