Posted by **kelley** on Wednesday, October 22, 2008 at 7:59pm.

This is the first question on the 2003 ap physics b exam. I need help with part e.

It shows a diagram of a pulley with two students. student A is on the ground with a mass of 70kg holding on to the pulley while student B is in the air with a mass of 60.

Question:

with what minimum acceleration must Student B climb up the rope to life student A off the floor?

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