A man weighing 490N on earth weighs 81.7N on the moon. His mass on the moon is kg

Acube has a volume of 2011 cubic inches. what is the angle measure between a side of a cube and its interior diagonal?

The image below shows numerous volcanic mountains in the pacific northwest. what is the most likely cause of the volcanic and earthquake activity in this region?

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?