# Practice Problems (with answers) - Physics Honors Chapter...

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Physics Honors Chapter 12 Worksheet When a 50-gram mass is attached to a certain spring, is oscillates with an amplitude of 5 cm and frequency of 4.0 Hz. A watch is started at t = 0 at the instant the mass is at a point of maximum amplitude to the right of the equilibrium point. Later, this mass is removed from the spring and replaced with a 133-gram mass. 1) What is the spring constant of the spring? 31.6 N/m 2) What is the maximum speed of the 50-gram mass? 1.25 m/s 3) What is the total energy of the system? 3.93 x 10 -2 J 4) What is the speed of the mass when it is 2 cm from the equilibrium position? 1.15 m/s 5) What is the acceleration of the mass when it is 2 cm from the equilibrium position? 12.6 m/s 2 6) What is the location of the mass at t = 1.27 s? 4.36 cm [R] 7) What is the speed of the mass at t = 1.27 s? 0.60 m/s [L] 8) What is the acceleration of the mass at t = 1.27 s? 27.6 m/s 2 [L] 9) What is the period of the oscillation of the 133-gram mass? 0.408 s

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## This note was uploaded on 02/10/2012 for the course PHYS 123 taught by Professor Phys123 during the Spring '10 term at Buena Vista.

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Practice Problems (with answers) - Physics Honors Chapter...

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