How fast is dan going as his feet hit the ground

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Reference no: EM13333561

Dan is gliding on his skateboard at 4.00m/s . He suddenly jumps backward off the skateboard, kicking the skateboard forward at 6.00m/s (as measured by an observer on the ground). Dan's mass is 40.0kg and the skateboard's mass is 6.00kg .

How fast is Dan going as his feet hit the ground?

Reference no: EM13333561

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