Momentum Calculator
Rearranges p = mv.
Answer
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Share sends a link that reopens these numbers. Copy details pastes the full breakdown as a list.
Momentum — kg·m/s
Mass —
Velocity —
Kinetic energy —
The formula
p = m × v
Momentum has a direction, so the sign of the velocity carries through.
What to watch out for
In a collision with no outside force, total momentum is unchanged, which is what the collision calculators use.
Frequently Asked Questions
What is the momentum of a 1,500 kg car at 20 m/s?
30,000 kg·m/s.
What is the unit of momentum?
kg·m/s, which is the same as a newton second.