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Physics, 27.03.2020 06:01 Tcutety

A 40 kg skateboarder runs at a constant velocity of 12 m/s and jumps off a stationary skateboard with a mass of 8 kg. What is the velocity of the skateboard after the jump?

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A 40 kg skateboarder runs at a constant velocity of 12 m/s and jumps off a stationary skateboard wit...
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