College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Physics written by hand.
Transcribed Image Text:A student did an experiment to measure the angular acceleration for a disk of radius 5 cm). He/she attached a mass
(20 g) to a disk and then released the system and measured the number of bars per second versusthe time. The
distance between black bars (s = 2 mm). He/she plotted the optical readers (number of bars per second) versus the
time (in s), and then he/she fitted the data with linear line and found that the slope is equal to 43. The angular
acceleration in (rad/s) will be equal to? (Round your answer to 2 decimal places).
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