# Physics

A 1.25 kg skateboard is coasting along the
pavement at a speed of 5.04 m/s when a 0.640
kg cat drops from a tree vertically downward
onto the skateboard.
What is the speed of the skateboard-cat
combination?
be within ± 1.0%

1. 👍 0
2. 👎 0
3. 👁 615
1. conserve momentum:

1.25*5.04 = (1.25+0.640)v

1. 👍 1
2. 👎 0
posted by Steve

1. 👍 0
2. 👎 1
posted by def

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