A Machine part is undergoing SHM with a frequency of 5.00 Hz and amplitude 1.80 CM, how long does it take the part to go from x=0 to x=-1.80 cm?
If there are (roughly) [math]1.33\times10^{50}[/math] atoms in Earth how are there [math]10^{78}[/math] to [math]10^{80}[/math] atoms in the universe?