Compared to that of the lighter car, the momentum of the heavier car is twice.
Momentum is the product of mass and speed of the object.
Given that, Two cars, one twice as heavy as the other and speed of both is same.
Let us consider that mass of lighter car is m .
Then, mass of heavier car is, [tex]=2m[/tex]
Momentum of lighter car, [tex]P=mv[/tex]
Momentum of heavier car, [tex]P'=2m*v=2mv[/tex]
[tex]P'=2mv=2P[/tex]
Hence, Momentum of heavier car is twice as compare to lighter car.
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