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Posted by **samir** on Saturday, January 23, 2010 at 6:19pm.

a)what's the magnitude of the force that peter exerts on john?

b)what's the magnitude of pete's acceleration toward john?

I am not sure what formula to use, pleaase help!

PHYSICS - drwls, Saturday, January 23, 2010 at 5:34pm

The center of mass will remain in the same place in this frictionless situation

a) Use F = ma

Solve for the F

b) Also use F = ma on Pete, with the same F, and solve for a(of Pete).

The F will be the same on both, but in opposite directions.

QUESTION: DO I HAVE TO CONVERT THE WEIGHT TO MASS BY DIVIDING THE N BY 9.8M/S^2? THANKYOU.

- ATTN: DRWLS RE: PHYSICS -
**drwls**, Saturday, January 23, 2010 at 8:56pmYes, you should convert weight to mass.

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