Answer: 140,000
Step-by-step explanation:
You simply add both of the momentums.
( x ) + ( x )
= 4,000kg
= 25m/s
= 2,000kg
= 20m/s
(4,000kg x 25m/s) + (2,000kg x 20m/s)
(100,000) + (40,000) = 140,000
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