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January 29, 2015

January 29, 2015

Posted by **Diego** on Thursday, September 27, 2012 at 8:43pm.

is thrown perpendicularly at a wall. After

striking the wall, the ball rebounds in the

opposite direction with a speed of 16 m/s.

If the ball is in contact with the wall for

0.013 s, what is the average acceleration of

the ball while it is in contact with the wall?

Answer in units of m/s

2

- Physics -
**bobpursley**, Thursday, September 27, 2012 at 8:52pmacceleration=changevelocty/time=(24.4+16)/.013 m/s^2

- Physics -
**Diego**, Thursday, September 27, 2012 at 9:03pm24.4+16? If it's the change of velocity, wouldn't it be 24.4-16?

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