1)
How much time does it take to lift a box using 18.0 J of work and 20.89 Watt of power?

Gunpowder residue is most likely to show up where on a shooters hands

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