Who discovered White Dwarfs?

The 20@kg wheel has a radius of gyration about its center g of kg = 300 mm. when it is subjected to a couple moment of m = 50 n # m, it rolls without slipping. determine the angular velocity of the wheel after its mass center g has traveled through a distance of sg = 20 m, starting from rest.

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

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter