Why do the deep rivers run slow

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.

Identify the type of synthetic material used in each object

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87