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SAT® Subject Test in Physics

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Moderate

Changing the Period

SATPHY-KYGQA1

The period of a spring-mass system is directly proportional to the square root of the mass. Originally, the period of the system was 2.0 seconds. The original mass was $1.0\, kg$.

Which value shown is closest to the new period if the new mass is $24.0\, kg$?

A

48 seconds

B

24 seconds

C

10 seconds

D

22 seconds

E

8 seconds