Two sumo wrestlers charge towards each other, each hoping to push the other out

Question

Two sumo wrestlers charge towards each other, each hoping to push the other out of the ring. The first wrester, Konishika, has a mass of 133 kg and just before the collision, is moving at 1.39 m/s. The second wrestler, Akebono, is smaller, with a mass of only 119 kg, but is moving faster, reaching 1.55 m/s. The two then collide and grab onto each other (an inelastic collision).

What is Konishika's momentum just before the collision? ________kg*m/s
What is Akebono's momentum just before the collision? _________kg*m/s

Explanation / Answer

The Konishika's momentum just before the collision is

P(K) = mu = ( 133 kg) ( 1.39 m/s) = 184.87 kg m/s

The Akebono's momentum just before the collision is

P(A) = m u = ( 119 kg) ( 1.55 m/s) = 184.45 m/s

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