Leumas Physics

Perfectly Inelastic Collision Final Velocity

vf = (m1·v1 + m2·v2) / (m1 + m2)

What it says

Gives the common final velocity of two bodies that stick together after a one-dimensional perfectly inelastic collision, conserving momentum only.

Symbols

SymbolQuantityDimension
m1Mass of body 1 (kg)M
m2Mass of body 2 (kg)M
v1Initial velocity of body 1 (m/s)L T^-1
v2Initial velocity of body 2 (m/s)L T^-1
vfCommon final velocity (m/s)L T^-1

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Connects to

Filed under Mechanics · derive through it in the explorer