A mass M hangs in equilibrium from a vertical spring that obeys Hooke’s law.
M is pulled down by 10 cm and then released to oscillate about the equilibrium position.
M returns to the equilibrium position for the first time 0.50 s after release.
Which row gives the amplitude and the period of the oscillations?
1 )
A
B
3 )
C
4 )
D
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