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SAT® Subject Test in Physics

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Difficult

Longer Periods

SATPHY-GK948E

The table below describes changes made to some pendulum and to a spring-mass system (increasing or decreasing certain quantities).

Which set of changes guarantees that both the period of the pendulum and the period of the spring-mass system will increase?

A B C D E
Mass of Pendulum Bob increase decrease increase decrease increase
Mass in Spring Mass System increase decrease decrease increase increase
Length of Pendulum increase increase increase decrease increase
Spring Constant decrease decrease decrease increase increase
A

A

B

B

C

C

D

D

E

E