College Discussion - View Single Post - *******Official AP Physics B/C Discussion/Prep Thread*******

snipez90 · 05-10-2008, 11:40 AM

m1v1 + m2v2 = (m1+m2)vf => (3kg)(2m/s)-(5kg)(2m/s) = (8kg)vf => vf = -.5 m/s. Speed = |-.5| = .5 m/s. Answer: B?

*EDIT* damn, dude I need to study up on rotational

05-10-2008, 11:40 AM	#41
snipez90 Member Join Date: Apr 2006 Posts: 563	m1v1 + m2v2 = (m1+m2)vf => (3kg)(2m/s)-(5kg)(2m/s) = (8kg)vf => vf = -.5 m/s. Speed = \|-.5\| = .5 m/s. Answer: B? EDIT damn, dude I need to study up on rotational