Which of these best defines energy?
oa) a type of force
ob) something that moves
oc) a microscopic form of matter
od) the ability to make things happen

According to newton’s first law of motion, which force is expected to cause a body to accelerate?

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?

In which of the following can you not find plasma