Physics & Engineering
Momentum Collision Calculator
Calculate the resulting velocity and kinetic energy loss for a perfectly inelastic collision.
Your inputs
Change any value to update the result instantly.
Combined final velocity
1.75 m/s
Total momentum (conserved)
14 kg·m/s
KE before
46 J
KE lost
33.75 J
Formula and working
v' = (m1v1 + m2v2) / (m1 + m2)
- 1
Collect the inputs
Mass 1 = 5 kg; Velocity 1 = 4 m/s; Mass 2 = 3 kg; Velocity 2 = -2 m/s
- 2
Apply the formula
v' = (m1v1 + m2v2) / (m1 + m2)
- 3
Result
Combined final velocity = 1.75 m/s
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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