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5. You have 1) a block on a horizontal spring on a frictionless surface, and 2)...

5. You have 1) a block on a horizontal spring on a frictionless surface, and 2) a pendulum oscillating without friction. Both have the same period. Now if we take these to the Moon, where gravity is 1/6 that of Earth's, what will change? Choose all that apply.
For the spring:
a) The period of the spring will shorten.
b) The period of the spring will stay the same. c) The period of the spring will increase.
For the pendulum:
d) The period of the pendulum will increase.
e) The period of the pendulum will shorten.
f) The period of the pendulum will stay the same.
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