The bottom of a 5-lb vertical plunger is in the dashed position in resting equilibrium against the spring with a stiffness k of 10 lb/in. The upper and lower end of the spring is welded to the plunger and the base plate. (So, the spring can carry compressive or tensile loads.) If the plunger is lifted 1.5 inches above its equilibrium position and released from rest, what is its velocity v as it strikes the button A. Neglect friction. k=10 lb/in.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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2. The bottom of a 5-lb vertical plunger is in the dashed position in resting
equilibrium against the spring with a stiffness k of 10 lb/in. The upper and
lower end of the spring is welded to the plunger and the base plate. (So, the
spring can carry compressive or tensile loads.) If the plunger is lifted 1.5
inches above its equilibrium position and released from rest, what is its
velocity v as it strikes the button A. Neglect friction.
W=5 lb
k=10 lb/in.
Transcribed Image Text:2. The bottom of a 5-lb vertical plunger is in the dashed position in resting equilibrium against the spring with a stiffness k of 10 lb/in. The upper and lower end of the spring is welded to the plunger and the base plate. (So, the spring can carry compressive or tensile loads.) If the plunger is lifted 1.5 inches above its equilibrium position and released from rest, what is its velocity v as it strikes the button A. Neglect friction. W=5 lb k=10 lb/in.
Expert Solution
Step 1

Given data as per the question

Mass of button A =5 lb

stiffness of spring =10lbin=120lbft

Plunger lifted =1.5 in =0.125 ft

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