Spring WU?! Consider the spring-mass system on a frictionless horizontal surface as shown in the figure. Initially, the where the spring is block is at position, where the spring is maximally stretched. The block moves to the position in a less stretched state. Which of the following is TRUE about the work done by spring Wel and change in elastic potential energy AU of the system? Direction of motion m mini x=0 ○ Wel > 0, AU <0 O W <0; AU>0 O Wel > 0; AUel > 0 ○ Wel <0; AUel < 0 X₂ X1

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Chapter1: Units, Trigonometry. And Vectors
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Spring WU?! Consider the spring-mass system on a frictionless horizontal surface as shown in the figure. Initially, the
block is at position where the spring is maximally stretched. The block moves to the position where the spring is
in a less stretched state. Which of the following is TRUE about the work done by spring Wel and change in elastic
potential energy AUl of the system?
Direction of motion
k
www
m
x = 0
X₂
Wel > 0; AUel < 0
○
Wel <0; AU >0
○ Wel > 0; AUel > 0
○ Wel <0; AUel < 0
X₁
Transcribed Image Text:Question 2 Spring WU?! Consider the spring-mass system on a frictionless horizontal surface as shown in the figure. Initially, the block is at position where the spring is maximally stretched. The block moves to the position where the spring is in a less stretched state. Which of the following is TRUE about the work done by spring Wel and change in elastic potential energy AUl of the system? Direction of motion k www m x = 0 X₂ Wel > 0; AUel < 0 ○ Wel <0; AU >0 ○ Wel > 0; AUel > 0 ○ Wel <0; AUel < 0 X₁
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