What is the mass of an object that is accelerated 4 m/s2 by a force of 180 N?
kg
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Explanation:

The mass of the object can be found by using the formula

f is the force

a is the acceleration

From the question we have

We have the final answer as

Hope this helps you

i believe it is c.) 1575 j.

answer: atomic mass was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

explanation:

originally atomic mass was used to arrange elements on the periodic table from left to right in a row. each column then shows similar properties of elements of a group.

in modern periodic table, the atoms are arranged in increasing atomic number. as atomic number represents the number of protons in an atom which is unique for every atom.