A 20-Kg Block on a Frictionless Table Is Connected to Two

question 28

Multiple Choice

A 2.0-kg block on a frictionless table is connected to two springs whose opposite ends are fixed to walls, as shown in the figure. The springs have force constants (spring constants) k₁ and k₂. What is the oscillation angular frequency of the block if $k _ { 1 } = 7.6 \mathrm {~N} / \mathrm { m }$ and $k _ { 2 } = 5.0 \mathrm {~N} / \mathrm { m } ?$

• A) 2.5 rad/s
• B) 3.5 rad/s
• C) 0.40 rad/s
• D) 0.56 rad/s

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