What is electric current measured in

The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?

How many atoms of nitrogen are in the chemical formula ni(w on

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)