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The density of alliminium is 0.04 i am a genius
The truck has the most mass, but because it is at rest, the skateboard has the most momentum.
usually it used to be made out of copper and some times alliminium but now it is made out of plastic.
skateboard.....if velocity is zero,then momentum is also zero.
8mm is the size of the truck. From one end to the other.
No, it isn't.
try taking out the bearing with your truck
The skateboard have wheel & axle and screw, the wheel is obvious the wheel and the axle is the truck and i think the screw is the hardware.
thunder, tensor, grindking, krux etc.
AL, or Al
1977.
1930