Question: A single mass m 1 = 3.8 kg hangs from a spring in a motionless elevator. The spring is extended x = 10 cm from

A single mass m₁ = 3.8 kg hangs from a spring in a motionless elevator. The spring is extended x = 10 cm from its unstretched length.

a. What is the spring constant of the spring?

Now, three masses m₁ = 3.8 kg, m₂ = 11.4 kg and m₃ = 7.6 kg hang from three identical springs in a motionless elevator. The springs all have the same spring constant that you just calculated above.

b. What is the force the top spring exerts on the top mass?

c. What is the distance the lower spring is stretched from its equilibrium length?

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