Home/Basic Physics/Linear momentum, impulse and collisions/Perfectly inelastic 1D collision7. Linear momentum, impulse and collisionsPerfectly inelastic 1D collisionIn 7. Linear momentum, impulse and collisionsFormulaCopy LaTeXm1v1i+m2v2i=(m1+m2)vfm_1v_{1i}+m_2v_{2i} =(m_1+m_2)v_fm1v1i+m2v2i=(m1+m2)vfTagscollisionsphysicsphysics formulamomentummomentum impulse collisionsDetailthe objects remain joined together after the collision.Explore the ideaExplore the ideaFound an error? Contact us.Related formulasRelatedConservation of linear momentum∑p⃗i=∑p⃗f\sum\vec p_i=\sum\vec p_f∑pi=∑pfOpen formulaOpen in sectionRelatedElastic collisionm1v1i+m2v2i=m1v1f+m2v2fm_1v_{1i}+m_2v_{2i} =m_1v_{1f}+m_2v_{2f}m1v1i+m2v2i=m1v1f+m2v2fOpen formulaOpen in section