Red Giants have low temperature but a high luminosity
Answer: The Sun measures 1.4 million km across, while the Moon is a mere 3,474 km across. In other words, the Sun is roughly 400 times larger than the Moon. But the Sun also happens to be 400 times further away than the Moon, and this has created an amazing coincidence.
Explanation:
Harmonics, Loop and Harmonic number
Hope this helps :)
motion
vt=vo+at
10 m/s = 2 m/s + 2.2 m/s².t
8 = 2.2t
Because the effective charge of the nucleus increase from left to eight due to the increasing number of protons.
The greater charge pulls the electrons closer to the nucleus, decreasing the radius.
