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two playful dogs run toward each other. the larger dog has a mass of 15 kg and a speed of 0.8, and the
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smaller dog has a mass of 6.0 kg and a speed of 2.0
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which equation could be a correct model of the two-dog system's total momentum?
choose 1 answer:
a
ptotal =
(15 kg) (2.0) + (6.0 kg) (0.80)
b
ptotal = (15 kg) (0.80) + (6.0 kg) (2.0)
ptotal = (6.0 kg) (2.0)
(15 kg) (0.80)
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