If a mass-spring system with an iron ball of weight W=98 net tonnage can be regarded as undamped free vibration and the spring is such that the ball streches it 1.09m (=A(). How many cycle per minute will the system execute? What will its motion be if we pull the ball down from rest by the 0.16m and let it start with zero initial velocity? (Hints: w=mg, g 9.8, k ="/1, angular frequency for the oscillation of a spring, w = JE)

Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter3: Oscillations
Section: Chapter Questions
Problem 3.11P
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Example 3.11
If a mass-spring system with an iron ball of weight W=98 net tonnage can be regarded as
undamped free vibration and the spring is such that the ball streches it 1.09m (=Al). How
many cycle per minute will the system execute? What will its motion be if we pull the ball
down from rest by the 0.16m and let it start with zero initial velocity?
(Hints: w=mg, g = 9.8, k ="/, angular frequency for the oscillation of a spring, @ =
V815
-t -0.438 sin
5
V815
Ans: x(t) = 0.2cos
5
Transcribed Image Text:Example 3.11 If a mass-spring system with an iron ball of weight W=98 net tonnage can be regarded as undamped free vibration and the spring is such that the ball streches it 1.09m (=Al). How many cycle per minute will the system execute? What will its motion be if we pull the ball down from rest by the 0.16m and let it start with zero initial velocity? (Hints: w=mg, g = 9.8, k ="/, angular frequency for the oscillation of a spring, @ = V815 -t -0.438 sin 5 V815 Ans: x(t) = 0.2cos 5
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