The strong nuclear force is how many times as strong as the gravitation force?

A)

1038
B)

1 (They are the same.)
C)

2
D)

100
E)

106


A

Physics & Space Science

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Indicate whether the statement is true or false

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The mass density of normal air is, at a particular temperature, If the average molecular mass of air is 29.0 u, how many air molecules are in spherical balloon of radius 15.0 cm?

a.
b.
c.
d.
e.
f.

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