The answer is A. Bob (<span>object's length)
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The two units for measuring the diameter of nucleus atom are femtometre and metre.
How do you measure the size of the nucleus ?
Nucleus size is expressed in fermi, often known as femtometers. between a lighter and a heavier nucleus. Despite its modest size, the nucleus contains the majority of an atom's mass. The weight or mass of the atom's nucleus and neutrons are determined by neutrons.
femtometre (fm), which equals metre.
A nucleus' diameter largely depends as to how many particles it contains, from about 4 fm for a light nucleus like carbon to 15 fm for a heavy nucleus as lead.
Learn more about nucleus of an atom here :-
brainly.com/question/10658589
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Explanation:
CON EL TEOREMA DE PITÁGORAS
<em>v</em> = = 27.7 km/h
It depends on how long the ball stays in the air
1 s=20m
10 s=200m