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# Same Periods

SATPHY-XCKJXC

Which of the following combinations of mass and spring constant will give a spring-mass system with the same period as a 1$.0\ m$ long pendulum on earth?

A
Mass 10 kg
Spring Constant 10 N/m
B
Mass 10 kg
Spring Constant 1 N/m
C
Mass 20 kg
Spring Constant 10 N/m
D
Mass 10 kg
Spring Constant 2 N/m
E
Mass 1 kg
Spring Constant 10 N/m