In the first case, the momentum is 4,860,000Kgm/s while in the second case, the momentum is 4,550,000Kgm/s.
What is momentum?
The term momentum of a body refers to the product of mass and velocity. It is a vector quantity.
In the first case;
momentum = 81,000Kg * 60m/s = 4,860,000Kgm/s
In the second case, we must find the resultant velocity V
V = √(25)^2 + (43)^2
V = 50 m/s
Hence;
Momentum = 91000Kg * 50 m/s
= 4,550,000Kgm/s
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