17. Periodic Motion
Spring Force (Hooke's Law)
Multiple Choice
Multiple ChoiceA 20.0 cm massless spring with spring constant 340 N/m is suspended from the ceiling. A student carefully hangs a 450 g mass from the free end. How long is the spring now?
A
18.7 cm
B
20.0 cm
C
24.5 cm
D
26.7 cm
E
21.3 cm
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