Momentum Calculator (p=mv)
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Compute momentum via p = m·v: enter mass and velocity to get kg·m/s, with kinetic energy and equivalent impulse for reference.
Key points
Momentum Calculator (p=mv): Compute momentum via p = m·v: enter mass and velocity to get kg·m/s, with kinetic energy and equivalent impulse for reference. Formula: p = m·v. Enter parameters on the DD-CAT IDE online tool page to get results instantly, with a calculation-model diagram that updates with the inputs. p = mv: momentum is mass times velocity, a vector pointing along the velocity; unit kg·m/s. Conservation of momentum: with no external force, total momentum is constant — the basis for collision, explosion and recoil analysis.
Inputs
p = m·vCalculation model (updates with parameters)
| Momentum p | 50kg·m/s | p = m·v |
| Kinetic energy Ek (reference) | 125 J | Ek = p²/(2m) = ½mv² |
| Equivalent impulse | 50N·s | Impulse required to stop the object, J = Δp = p |
Engineering notes
- p = mv: momentum is mass times velocity, a vector pointing along the velocity; unit kg·m/s.
- Conservation of momentum: with no external force, total momentum is constant — the basis for collision, explosion and recoil analysis.
- Impulse–momentum theorem: the impulse of the net force equals the momentum change (F·Δt = Δp) — the principle behind airbags and cushioning.
FAQ
- What is Momentum Calculator (p=mv) for?
- Compute momentum via p = m·v: enter mass and velocity to get kg·m/s, with kinetic energy and equivalent impulse for reference.
- What is the formula for Momentum Calculator (p=mv)?
- Core formula: p = m·v. The tool returns results instantly using this formula and the selected parameters.
- What engineering notes should I keep in mind when using Momentum Calculator (p=mv)?
- p = mv: momentum is mass times velocity, a vector pointing along the velocity; unit kg·m/s. Conservation of momentum: with no external force, total momentum is constant — the basis for collision, explosion and recoil analysis. Impulse–momentum theorem: the impulse of the net force equals the momentum change (F·Δt = Δp) — the principle behind airbags and cushioning.
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