Yes, if we know the Earth's mass
Explanation:
The momentum of an object is a vector quantity given by the equation
[tex]p=mv[/tex]
where
m is the mass of the object
v is its velocity
In this case, we are asked if we can find the velocity of the Earth by starting from its momentum. Indeed, we can. In fact, we can rewrite the equation above as
[tex]v=\frac{p}{m}[/tex]
Therefore, if we know the momentum of the Earth (p) and we know its mass as well (m), we can solve the formula to find the Earth's velocity.
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