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Posted by **Dee** on Tuesday, January 4, 2011 at 9:30pm.

- Physics Grade 11 -
**bobpursley**, Tuesday, January 4, 2011 at 9:39pmF=m*6.85

F*3.85=2.64*m*a

solve for a

a=m*6.85*3.85/(2.64m)

check my reasoning

- Physics Grade 11 -
**drwls**, Tuesday, January 4, 2011 at 9:45pmRemember that F = m a ;

therefore, a = F/m.

If F' = 3.85 F and m' = 2.64 m

The new acceleration is:

a' = F'/m' = (3.84/2.64)*(F/m)

= 1.455 F/m = 1.455 a

Complete by inserting the original value of a.

- Physics Grade 11 -
**Dee**, Tuesday, January 4, 2011 at 10:07pmthank you bob pursley :)

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