Discuss acceleration by providing at least one example and explaining why it would be considered scalar or vector.

Amira pulls a 3 pound wagon 4 feet. how much work has she done?

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?

Does heating a metal wire increase or decrease its electrical resistance? why?