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OpenStudy (anonymous):
Two 1000 kg cars drive east; the first moving at 45 m/s, the second at 30 m/s. What is the magnitude of the total momen- tum of the system? Answer in units of kg · m/s
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OpenStudy (jfraser):
what's the formula for momentum?
OpenStudy (anonymous):
mass times velocity
OpenStudy (jfraser):
so each car has a mass, and each car has a velocity. the TOTAL momentum of the system must be equal to the sum of the 2 individuals
OpenStudy (anonymous):
So I just add the two momentums? Even if they are going different ways
OpenStudy (jfraser):
the problem says they're moving in the same direction
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OpenStudy (anonymous):
Oh ok I misunderstood the question somehow thanks :)
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