An experiment is performed to determine the force constant k of a spring by measuring its length as a function of the applied load. The following data are obtained:
Mass (g) Length (cm) Mass (g) Length (cm) 10.0 5.1 110.0 36.57 20.0 8.8 120.0 38.57 30.0 10.9 130.0 43.55 40.0 14.3 140.0 46.88 50.0 18.0 150.0 49.01 60.0 20.56 160.0 52.20 70.0 23.94 170.0 54.19 80.0 26.94 180.0 58.52 90.0 30.92 190.0 61.84 100.0 33.91 200.0 64.50
Report the values of L0 (initial length) and k (force constant) and their associated uncertainties with 95% confidence limit.

Question

02-09-2021
Physics

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An experiment is performed to determine the force constant k of a spring by measuring its length as a function of the applied load. The following data are obtained:
Mass (g) Length (cm) Mass (g) Length (cm) 10.0 5.1 110.0 36.57 20.0 8.8 120.0 38.57 30.0 10.9 130.0 43.55 40.0 14.3 140.0 46.88 50.0 18.0 150.0 49.01 60.0 20.56 160.0 52.20 70.0 23.94 170.0 54.19 80.0 26.94 180.0 58.52 90.0 30.92 190.0 61.84 100.0 33.91 200.0 64.50
Report the values of L0 (initial length) and k (force constant) and their associated uncertainties with 95% confidence limit.

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lisadmw44 lisadmw44 · Answer 1 · 2021-09-02T14:35:54+02:00

Answer:

A and B react according to the scheme 2A ±B oC . The reaction is highly exergonic, that is, it goes to completion when A and B are allowed to react. 2.000 tons of A and 1.00 ton of B were mixed in a kettle. A balance, the maximum capacity of which is 0.500 tons with 1% precision was used to weigh A and B. Assume that the molar masses of all chemical species are equal. What is the maximum possible amount of unreacted reactants? 2)An experiment is performed to determine the force constant k of a spring by measuring its length as a function of the applied load. The following data are obtained:

Explanation: