klsgenius02 klsgenius02

24-10-2019
Physics

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Snookie is riding in her little red wagon (total mass of 215 kg) at a constant speed of 9.5 m/s. All of a sudden a magenta lemur (19.7 kg) appears in her lap. How fast is the Snook-meister traveling now?

Please show work.

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MathPhys MathPhys

24-10-2019

Answer:

8.7 m/s

Explanation:

Momentum before = momentum after

m₁ u = (m₁ + m₂) v

(215) (9.5) = (215 + 19.7) v

v = 8.7 m/s

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