10. A 1,650 kilogram car accelerates at a rate of 4 m/s2. How much force is the car's engine producing?

Protons and neutrons are found within the nucleus of an atom

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

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?