Posted by marissa! on Thursday, January 12, 2012 at 8:33pm.
zero
No computation is necessary
There are no external forces on the two person system.
Therefore the total momentum does not change, First Law.
Please help! it has to do with momentum
A 70 k/g woman and her 35 k/g son are standing at rest on an ice rink. They push against each other for .60 s, causing them to glide apart. The speed of the woman immediately after they seperate is .55 m/s
question asks what is the womans momentum after the push
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