Instability of an atoms nucleus can result from an excess of either neutrons or protons . So neutrons and protons .
1)
average velocity:
(3,9)
(6,36)
average velocity=(36-9)m/(6-3) s=27m/3s=9 m/s
Answer: 9 m/s, east.
2)
(12, 144)
(15,225)
average velocity=(225-144)m/(15-12)s=81 m/3s=27 m/s
Answer: 27 m/s,east.
D.) closeness of a measurement to an accepted value
That is accuracy not precision.
Answer:
True
Explanation:
I think this is a helpful for you
2. B because it has a lower activation energy.
idk because you have no picture with the lines on it
