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Question: Dan is gliding on his skateboard at 4.0m/s. He suddenly jumps backward off the skateboard, kicking the skateboard forward at 8.0m/s. How fast is Dan going as his feet hit the ground? Dan's mass is 50kg and his skateboard's mass is 5.0kg. The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.

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