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A Spring (K = 200 N/m) Is Suspended with Its

Question 20

Multiple Choice

A spring (k = 200 N/m) is suspended with its upper end supported from a ceiling. With the spring hanging in its equilibrium configuration, an object (mass = 2.0 kg) is attached to the lower end and released from rest. What is the speed of the object after it has fallen 4.0 cm?


A) 90 cm/s
B) 79 cm/s
C) 96 cm/s
D) 83 cm/s
E) 57 cm/s

Correct Answer:

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