In the figure below, we must apply a force of magnitude 89 N to hold the block s
ID: 1285063 • Letter: I
Question
In the figure below, we must apply a force of magnitude 89 N to hold the block stationary at x = -2.0 cm. From that position we then slowly move the block so that our force does +4.3 J work on the spring-block system; the block is then again stationary. What is the block's position x?
There are two answers: ___cm (least positive) ___cm (greatest positive)
In the figure below, we must apply a force of magnitude 89 N to hold the block stationary at x = -2.0 cm. From that position we then slowly move the block so that our force does +4.3 J work on the spring-block system; the block is then again stationary. What is the block's position x? There are two answers: ___cm (least positive) ___cm (greatest positive)Explanation / Answer
k*0.02 = 89
k = 4450
0.5*k*0.02*0.02 + 4.3 = 0.5*k*x*x
x = -4.8cm