17. Periodic Motion
Simple Harmonic Motion of Vertical Springs
Multiple Choice
Multiple ChoiceA spring with spring constant 15 N/m hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. It is then pulled down 6.0 cm and released. If the ball makes 30 oscillations in 20 s, what are its (a) mass and (b) maximum speed?
A
.17 kg; .56 m/s
B
.63 kg; .29 m/s
C
.17 kg; 1.12 m/s
D
.63 kg; .15 m/s
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