A student attempts to measure g by dropping a 1.0 kg mass from y=2.0 m, recording the time t it takes fo the mass to hit the floor, and applying the formula g=2y/te. (A)What assumptions are part of their model? (Select all that apply) a) Acceleration is constant b) Acceleration is 9.8 m/s2 c) Air resistance is negligible d) Initial velocity is 0 e) Mass could be a factor. (B)The student calculates the following values of g with the set-up described above: 8.7, 8.9, 9.7, and 10 m/s?. What result should they report? a) 9.325 +/-0.624 m/s? b) 9.3 +/- 0.6 m/s2 c) 9.3 +/- 0.5 m/s2 d) 9.32 +/- 0.49 m/s²
A student attempts to measure g by dropping a 1.0 kg mass from y=2.0 m, recording the time t it takes fo the mass to hit the floor, and applying the formula g=2y/te. (A)What assumptions are part of their model? (Select all that apply) a) Acceleration is constant b) Acceleration is 9.8 m/s2 c) Air resistance is negligible d) Initial velocity is 0 e) Mass could be a factor. (B)The student calculates the following values of g with the set-up described above: 8.7, 8.9, 9.7, and 10 m/s?. What result should they report? a) 9.325 +/-0.624 m/s? b) 9.3 +/- 0.6 m/s2 c) 9.3 +/- 0.5 m/s2 d) 9.32 +/- 0.49 m/s²
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter1: A Physics Toolkit
Section: Chapter Questions
Problem 7STP
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