Work Power and Energy 2 Question 1

1. A block (B) is attached to two unstretched springs S1 and S2 with spring constants k and 4k, respectively. The other ends are attached to two supports M1 and M2 not attached to the walls. The springs and supports have negligible mass. There is no friction anywhere.

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Answer:

Correct Answer: 1. (c)

Solution:

  1. From energy conservation,

12kx2=12(4k)y2∴yx=12

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