Two springs with the same unstretched length, but different force constants ki and k2 are attached to a block with mass

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Two Springs With The Same Unstretched Length But Different Force Constants Ki And K2 Are Attached To A Block With Mass 1 (16.87 KiB) Viewed 47 times

Two Springs With The Same Unstretched Length But Different Force Constants Ki And K2 Are Attached To A Block With Mass 2 (7.52 KiB) Viewed 47 times

Two Springs With The Same Unstretched Length But Different Force Constants Ki And K2 Are Attached To A Block With Mass 3 (84.39 KiB) Viewed 47 times

Two springs with the same unstretched length, but different force constants ki and k2 are attached to a block with mass m on a level, frictionless surface. Calculate the effective force constant koff in each of the three cases depicted in the figure (Eigure 1). (The effective force constant is defined by Ex = -keff 2)
(d) (b)
Part A Express your answer in terms of the variables ki, m, and k2. VALO ? keff a = Submit Request Answer Part B Express your answer in terms of the variables ki, m, and kz. EVO ALO ? keff b = Submit Request Answer Part C Express your answer in terms of the variables kı, m, and kz. ΡΕΙ ΑΣφ ? keffc = Submit Request Answer Part D An object with mass m, suspended from a uniform spring with a force constant k, vibrates with a frequency f1 When the spring is cut in half and the same object is suspended from one of the halves, the frequency is f2. What is the ratio f2 2 fi Express your answer in terms of the variables k and m. TVO AEO ? f2 fi Submit Request Answer