Periodic motion (A-level only)

What are the new time periods of the pendulum and the mass-spring system on the surface of this dwarf planet?

Simple pendulum: $4 T$ , Mass-spring system: $T$

Simple pendulum: $T4\frac{T}{4}$ , Mass-spring system: $T$

Simple pendulum: $4 T$ , Mass-spring system: $4 T$

Simple pendulum: $T4\frac{T}{4}$ , Mass-spring system: $4 T$

What are the new time periods of the pendulum and the mass-spring system on the surface of this dwarf planet?

Simple pendulum: $4 T$ , Mass-spring system: $T$

Simple pendulum: $T4\frac{T}{4}$ , Mass-spring system: $T$

Simple pendulum: $4 T$ , Mass-spring system: $4 T$

Simple pendulum: $T4\frac{T}{4}$ , Mass-spring system: $4 T$

Periodic motion (A-level only) Questions