Determine the mass of skateboard

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A student m = 79 kg runs at a velocity vi = 2.2 m/s before jumping on a skateboard. After jumping on the board the student has a velocity vf = 1.69 m/s.

What is mass of skateboard?

The student soon loses his balance and falls backwards off the board at a velocity of 4 m/s. What is the skateboards new velocity in m/s?

Reference no: EM13338567

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