Answer: period = 0.2 s
Explanation:
5Hz=0.2s
Answer:
I think D sorry if I'm wrong
Answer:6.2
the answer is a: galaxies. galaxy clusters are groups of galaxies that like to hang out together out there in space. the milky way's own galaxy cluster is called the local group.
8 m × (1000 mm / m) = 8000 mm
