Time (s)	Coeff. of Fric. (exp.)	Coeff. of Fric. (calc.)	Difference	
0		0.43			0.51			 0.08
120		0.55			0.51			-0.04
240		0.50			0.51			 0.01
360		0.56			0.52			-0.04
480		0.54			0.52			-0.02
600		0.55			0.52			-0.03
720		0.53			0.53			 0.00
840		0.48			0.53			 0.05
960		0.56			0.53			-0.03
1080		0.56			0.54			-0.02
1200		0.50			0.54			 0.04
					Average Uncertainty:	 0.06