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Momentum Calculator — Solve p, Mass or Velocity + Units

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Solve for Mass Positive object mass.Mass unit Used for known mass or the solved mass result.Velocity Signed one-dimensional velocity.Velocity unit Used for known velocity or the solved velocity result.Momentum unit

Calculated result

-60 kg·m/s

Momentum: -60 kg·m/s = -60 N·s = -433.98083107 lb·ft/s

Mass: 5 kg

Signed velocity: -12 m/s

Kinetic energy for the same mass/speed: 360 J

Direction on chosen axis: negative

Show the working

1. Normalize: m = 5 kg; v = -12 m/s.
2. p = mv = 5 × -12 = -60 kg·m/s.

Momentum is a vector. The sign here represents direction along one chosen axis. Collision/conservation conclusions require the full system boundary and external-force information.

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