The mass of the cart is 1.225 kg. The rest of the data can be obtained from the

Question

The mass of the cart is 1.225 kg. The rest of the data can be obtained from the graph above. All answers below must be correct to 3 significant figures. What is the final speed of the cart predicted by the work done by the rubber band, assuming that friction is negligible pred 4.0 1.145 m/s The percent difference between between the predicted and measured final speed, expressed as a percent of the measured speed Percent difference between pred and V 4.0 U 10.51 v Assume that the standard deviation in a collection of similar measurements to the one shown in the figure were ow 0.032 J for the work w done by the W rubber band. Given this uncertainty, calculate the uncertainty for the predicted speed 0.03226 m/s 4.0 pre If the above uncertainty in speed were to be assumed for both the predicted and measured final speed, would the two results agree, according to the criterion of overlap? Yes. No

Explanation / Answer

Yes

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