Answer: 50 m/s
Explanation: speed v = 2· pi·n·r = 2· 3.14· 2 s^-1· 4 m
The correct answer is B because isotopes have different numbers of neutrons, and neutrons are located in the nucleus
Hope this helps
The common #2 pencil is 7 1/2 long with a wooden shaft measuring about 6 3/4
There’s no picture or question
