At t = 0, a wheel rotating about a fixed axis at a constant angular acceleration has an angular velocity of 2.0 rad/s. two seconds later it has turned through 5.0 complete revolutions. what is the angular acceleration of this wheel?

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

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?

Which is a substance that can be separated by physical means and is not the same throughout