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The magnitude of the momentum of a runner is 346.5 kg•m/s. If the runner has a speed of 4.5 m/s, what is his mass?

A. 73 kg
B. 77 kg
C. 88 kg
D. 82 kg

User Meblum
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the mas of the runner is B. 77 kg.
User Daniel Andujar
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