Posted by **sacrifice** on Monday, December 20, 2010 at 2:33am.

a 8 kg ball is thrown upward with an initial speed of 20 m/s. suppose there is a constant air resistance of 30N opposing the motion during it entire up and down path. what is the acceleration on the way up and on the way down?

- physics -
**Dr Russ**, Monday, December 20, 2010 at 4:32am
See below

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