A 4.0 kg-block attached to a 20 N/m-spring constant spring moves on a frictionless horizontal surface, its position-versus-time graph is shown below. At t = 4.0 s, what is the magnitude of the acceleration of the block, in m/s22 Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. W- x (cm) 20 t (s) 8 2 4 6 – 20 -
A 4.0 kg-block attached to a 20 N/m-spring constant spring moves on a frictionless horizontal surface, its position-versus-time graph is shown below. At t = 4.0 s, what is the magnitude of the acceleration of the block, in m/s22 Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. W- x (cm) 20 t (s) 8 2 4 6 – 20 -
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter3: Accelerated Motion
Section: Chapter Questions
Problem 90A
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