# A 0.115-kg hockey puck, moving at 35.0 m/s, strikes a 0.265-kg octopus thrown onto the ice by a hockey fan. The puck and octopus slide off together. What is their velocity?

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Jan 29, 2017

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I got

[No octopus was armed in the solution of this question!]

#### Explanation:

This should be an inelastic collision where the two bodies, after impact, stick together forming one object having the mass composed by the sum of the individual ones.

I assume that the octopus, at the moment of impact, is at rest.

Using our data we get:

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