What would be the best equation to find momentum?

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The discussion centers on the best equations for calculating momentum. The primary equation highlighted is p = mv, which defines momentum (p) as the product of mass (m) and velocity (v). Another relevant equation mentioned is F = dp/dt, which relates force (F) to the rate of change of momentum. The conversation also touches on the units of momentum, which are kilograms multiplied by meters per second (kg*m/s). Additionally, a more complex equation, E^2 - (pc)^2 - p^2c^4 = 0, is introduced, indicating a connection to relativistic momentum. Overall, the key focus is on understanding momentum through its fundamental definitions and equations.
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what would be the best equation to find momentum?
 
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\vec p = m \vec v
Or

\vec F =\frac{d\vec p }{dt}
 


Originally posted by lphockey14
what would be the best equation to find momentum?

The momentum of what? Given what? The definition of momentum of a particle is

\mathbf{p} = m\mathbf{v}

Once you know the mass and the velocity you know the momentum.
 
What are the units momentum is measured in?
 
Originally posted by Guard
What are the units momentum is measured in?

Momentum is measured in kilogram*meters/second (kg*m/s)
 


Originally posted by lphockey14
what would be the best equation to find momentum?


E^2 - (pc)^2 - p^2c^4 = 0
 

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