I was thinking... IF an object is accelerating, must the model for it's position be a cubic or one of greater degree? if it was any smaller than a degree of 3 than the second derivative would prove to = 0x... just need a yes this is true for all cases or no it isn't.

Question

amistre64 · Answer

acceleration tends to be 2 degrees below position that i can tell

anonymous · Answer

Constant acceleration will be second order displacement, but non-constant acceleration will be 3rd order or higher.