Physics, 13.10.2020 14:01 springlcp2nk7h
13. Two groups of students test the same wind-up toy. Each group conducts four trials to find out how long it takes the toy to trave! 1 meter . Study their data in the table above and answer the questions a. Find the average time for each group's four trials . b . Estimate the average error for each group . Which group had the best precision ? Explain d . What was the resolution of the stopwatch ? e. The group averages are quite different Are they significantly different ? Explain , and use a very simple math problem to prove your answer . f . One of the groups actually had the wind - up toy travel down a ramp for 1 meter , and the other group had their toy travel across a flat surface Which group was which ? Explain how you know
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How would you place two electrons on a sphere of radius r so that the electrostatic potential energy is minimized. how would you place three electrons to solve the same problem.
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What is the weight of a 8-kg substance in n, kn, kg·m/s2, kgf, lbm·ft/s2, and lbf?
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Amoving company collects data about couches they move and displays the data in a table. the force along the ramp, the angle of the ramp, and the height the couch is raised to are shown. which statements correctly compare the work done to move the couches? check all that apply. the same amount of work is done for couches 1 and 3. the same amount of work is done for couches 2 and 3. the work for couch 1 is greater than the work for couch 2. the work for couch 2 is less than the work for couch 3. the work for couch 3 is greater than the work for couch 1. the work for couch 2 is greater than the work for couch 1.
Answers: 1
13. Two groups of students test the same wind-up toy. Each group conducts four trials to find out ho...
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